HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 52fa07ba | 1 | ;;; viper-ex.el --- functions implementing the Ex commands for Viper |
| be010748 | 2 | |
| 2eb4bdca | 3 | ;; Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. |
| 6c2e12f4 KH |
4 | |
| 5 | ;; This file is part of GNU Emacs. | |
| 6 | ||
| 7 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
| 8 | ;; it under the terms of the GNU General Public License as published by | |
| 9 | ;; the Free Software Foundation; either version 2, or (at your option) | |
| 10 | ;; any later version. | |
| 11 | ||
| 12 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ;; GNU General Public License for more details. | |
| 16 | ||
| 17 | ;; You should have received a copy of the GNU General Public License | |
| 52fa07ba MK |
18 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
| 19 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | ;; Boston, MA 02111-1307, USA. | |
| 6c2e12f4 | 21 | |
| 03fc1246 MK |
22 | ;; Code |
| 23 | ||
| 9b70a748 | 24 | (provide 'viper-ex) |
| 6c2e12f4 | 25 | |
| 03fc1246 | 26 | ;; Compiler pacifier |
| 52fa07ba | 27 | (defvar read-file-name-map) |
| 8626cfa2 MK |
28 | (defvar viper-use-register) |
| 29 | (defvar viper-s-string) | |
| 30 | (defvar viper-shift-width) | |
| 31 | (defvar viper-ex-history) | |
| 32 | (defvar viper-related-files-and-buffers-ring) | |
| 33 | (defvar viper-local-search-start-marker) | |
| 1e70790f | 34 | (defvar viper-expert-level) |
| 8626cfa2 MK |
35 | (defvar viper-custom-file-name) |
| 36 | (defvar viper-case-fold-search) | |
| e36a387d | 37 | (defvar explicit-shell-file-name) |
| 9b70a748 | 38 | |
| 726e270f MK |
39 | ;; loading happens only in non-interactive compilation |
| 40 | ;; in order to spare non-viperized emacs from being viperized | |
| 41 | (if noninteractive | |
| 42 | (eval-when-compile | |
| 43 | (let ((load-path (cons (expand-file-name ".") load-path))) | |
| 44 | (or (featurep 'viper-util) | |
| 45 | (load "viper-util.el" nil nil 'nosuffix)) | |
| 46 | (or (featurep 'viper-keym) | |
| 47 | (load "viper-keym.el" nil nil 'nosuffix)) | |
| 48 | (or (featurep 'viper-cmd) | |
| 49 | (load "viper-cmd.el" nil nil 'nosuffix)) | |
| 50 | ))) | |
| 9b70a748 MK |
51 | ;; end pacifier |
| 52 | ||
| 53 | (require 'viper-util) | |
| 54 | ||
| 1e70790f MK |
55 | (defgroup viper-ex nil |
| 56 | "Viper support for Ex commands" | |
| 57 | :prefix "ex-" | |
| 58 | :group 'viper) | |
| 59 | ||
| 60 | ||
| 03fc1246 | 61 | |
| 6c2e12f4 | 62 | ;;; Variables |
| bbe6126c | 63 | |
| 8626cfa2 MK |
64 | (defconst viper-ex-work-buf-name " *ex-working-space*") |
| 65 | (defconst viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) | |
| 66 | (defconst viper-ex-tmp-buf-name " *ex-tmp*") | |
| 52fa07ba MK |
67 | |
| 68 | ||
| 69 | ;;; Variable completion in :set command | |
| 70 | ||
| 3af0304a | 71 | ;; The list of Ex commands. Used for completing command names. |
| 52fa07ba MK |
72 | (defconst ex-token-alist |
| 73 | '(("!") ("=") (">") ("&") ("~") | |
| 74 | ("yank") ("xit") ("WWrite") ("Write") ("write") ("wq") ("visual") | |
| 75 | ("version") ("vglobal") ("unmap") ("undo") ("tag") ("transfer") ("suspend") | |
| 76 | ("substitute") ("submitReport") ("stop") ("sr") ("source") ("shell") | |
| 77 | ("set") ("rewind") ("recover") ("read") ("quit") ("pwd") | |
| 78 | ("put") ("preserve") ("PreviousRelatedFile") ("RelatedFile") | |
| 79 | ("next") ("Next") ("move") ("mark") ("map") ("kmark") ("join") | |
| 3af0304a MK |
80 | ("help") ("goto") ("global") ("file") ("edit") ("delete") ("customize") |
| 81 | ("copy") ("chdir") ("cd") ("Buffer") ("buffer") ("args")) ) | |
| 52fa07ba MK |
82 | |
| 83 | ;; A-list of Ex variables that can be set using the :set command. | |
| 84 | (defconst ex-variable-alist | |
| 85 | '(("wrapscan") ("ws") ("wrapmargin") ("wm") | |
| e36a387d | 86 | ("tabstop-global") ("ts-g") ("tabstop") ("ts") |
| 52fa07ba MK |
87 | ("showmatch") ("sm") ("shiftwidth") ("sw") ("shell") ("sh") |
| 88 | ("readonly") ("ro") | |
| 89 | ("nowrapscan") ("nows") ("noshowmatch") ("nosm") | |
| 90 | ("noreadonly") ("noro") ("nomagic") ("noma") | |
| 91 | ("noignorecase") ("noic") | |
| e36a387d | 92 | ("noautoindent-global") ("noai-g") ("noautoindent") ("noai") |
| 52fa07ba | 93 | ("magic") ("ma") ("ignorecase") ("ic") |
| e36a387d MK |
94 | ("autoindent-global") ("ai-g") ("autoindent") ("ai") |
| 95 | ("all") | |
| 52fa07ba | 96 | )) |
| bbe6126c | 97 | |
| bbe6126c | 98 | |
| bbe6126c | 99 | |
| 52fa07ba MK |
100 | ;; Token recognized during parsing of Ex commands (e.g., "read", "comma") |
| 101 | (defvar ex-token nil) | |
| 102 | ||
| 103 | ;; Type of token. | |
| 104 | ;; If non-nil, gives type of address; if nil, it is a command. | |
| 105 | (defvar ex-token-type nil) | |
| 106 | ||
| 107 | ;; List of addresses passed to Ex command | |
| 108 | (defvar ex-addresses nil) | |
| 109 | ||
| 8e41a31c | 110 | ;; This flag is supposed to be set only by `#', `print', and `list', |
| 3af0304a MK |
111 | ;; none of which is implemented. So, it and the pices of the code it |
| 112 | ;; controls are dead weight. We keep it just in case this might be | |
| 8e41a31c | 113 | ;; needed in the future. |
| 52fa07ba MK |
114 | (defvar ex-flag nil) |
| 115 | ||
| 116 | ;; "buffer" where Ex commands keep deleted data. | |
| 117 | ;; In Emacs terms, this is a register. | |
| 118 | (defvar ex-buffer nil) | |
| 119 | ||
| 120 | ;; Value of ex count. | |
| 121 | (defvar ex-count nil) | |
| 122 | ||
| 1e70790f | 123 | ;; Flag indicating that :global Ex command is being executed. |
| 52fa07ba | 124 | (defvar ex-g-flag nil) |
| 1e70790f | 125 | ;; Flag indicating that :vglobal Ex command is being executed. |
| 52fa07ba MK |
126 | (defvar ex-g-variant nil) |
| 127 | ||
| 128 | ;; Save reg-exp used in substitute. | |
| 129 | (defvar ex-reg-exp nil) | |
| 130 | ||
| 131 | ||
| 132 | ;; Replace pattern for substitute. | |
| 133 | (defvar ex-repl nil) | |
| 134 | ||
| 135 | ;; Pattern for global command. | |
| 136 | (defvar ex-g-pat nil) | |
| 137 | ||
| 1e70790f | 138 | (defcustom ex-unix-type-shell |
| 52fa07ba MK |
139 | (let ((case-fold-search t)) |
| 140 | (and (stringp shell-file-name) | |
| 141 | (string-match | |
| 142 | (concat | |
| 143 | "\\(" | |
| 144 | "csh$\\|csh.exe$" | |
| 145 | "\\|" | |
| 146 | "ksh$\\|ksh.exe$" | |
| 147 | "\\|" | |
| 148 | "^sh$\\|sh.exe$" | |
| 149 | "\\|" | |
| 150 | "[^a-z]sh$\\|[^a-z]sh.exe$" | |
| 151 | "\\|" | |
| 152 | "bash$\\|bash.exe$" | |
| 153 | "\\)") | |
| 154 | shell-file-name))) | |
| 1e70790f | 155 | "Is the user using a unix-type shell under a non-OS?" |
| 5ee3742d | 156 | :type 'boolean |
| 1e70790f | 157 | :group 'viper-ex) |
| 52fa07ba | 158 | |
| 1e70790f | 159 | (defcustom ex-unix-type-shell-options |
| 52fa07ba MK |
160 | (let ((case-fold-search t)) |
| 161 | (if ex-unix-type-shell | |
| 162 | (cond ((string-match "\\(csh$\\|csh.exe$\\)" shell-file-name) | |
| 163 | "-f") ; csh: do it fast | |
| 164 | ((string-match "\\(bash$\\|bash.exe$\\)" shell-file-name) | |
| 165 | "-noprofile") ; bash: ignore .profile | |
| 166 | ))) | |
| 167 | "Options to pass to the Unix-style shell. | |
| 1e70790f MK |
168 | Don't put `-c' here, as it is added automatically." |
| 169 | :type 'string | |
| 170 | :group 'viper-ex) | |
| 52fa07ba | 171 | |
| 3af0304a MK |
172 | (defcustom viper-glob-function |
| 173 | (cond (ex-unix-type-shell 'viper-glob-unix-files) | |
| 174 | ((eq system-type 'emx) 'viper-glob-mswindows-files) ; OS/2 | |
| 175 | (viper-ms-style-os-p 'viper-glob-mswindows-files) ; Microsoft OS | |
| 176 | (viper-vms-os-p 'viper-glob-unix-files) ; VMS | |
| 177 | (t 'viper-glob-unix-files) ; presumably UNIX | |
| 178 | ) | |
| 179 | "Expand the file spec containing wildcard symbols. | |
| 180 | The default tries to set this variable to work with Unix, Windows, | |
| 181 | OS/2, and VMS. | |
| 182 | ||
| 183 | However, if it doesn't work right for some types of Unix shells or some OS, | |
| 184 | the user should supply the appropriate function and set this variable to the | |
| 185 | corresponding function symbol." | |
| 186 | :type 'symbol | |
| 187 | :group 'viper-ex) | |
| 188 | ||
| bbe6126c | 189 | |
| 52fa07ba MK |
190 | ;; Remembers the previous Ex tag. |
| 191 | (defvar ex-tag nil) | |
| bbe6126c | 192 | |
| 52fa07ba MK |
193 | ;; file used by Ex commands like :r, :w, :n |
| 194 | (defvar ex-file nil) | |
| bbe6126c | 195 | |
| 52fa07ba MK |
196 | ;; If t, tells Ex that this is a variant-command, i.e., w>>, r!, etc. |
| 197 | (defvar ex-variant nil) | |
| bbe6126c | 198 | |
| 52fa07ba MK |
199 | ;; Specified the offset of an Ex command, such as :read. |
| 200 | (defvar ex-offset nil) | |
| bbe6126c | 201 | |
| 52fa07ba MK |
202 | ;; Tells Ex that this is a w>> command. |
| 203 | (defvar ex-append nil) | |
| bbe6126c | 204 | |
| 52fa07ba MK |
205 | ;; File containing the shell command to be executed at Ex prompt, |
| 206 | ;; e.g., :r !date | |
| 207 | (defvar ex-cmdfile nil) | |
| 328b4b70 | 208 | (defvar ex-cmdfile-args "") |
| bbe6126c | 209 | |
| 8626cfa2 | 210 | ;; flag used in viper-ex-read-file-name to indicate that we may be reading |
| 3af0304a | 211 | ;; multiple file names. Used for :edit and :next |
| 8626cfa2 | 212 | (defvar viper-keep-reading-filename nil) |
| bbe6126c | 213 | |
| 1e70790f | 214 | (defcustom ex-cycle-other-window t |
| 52fa07ba | 215 | "*If t, :n and :b cycles through files and buffers in other window. |
| 3af0304a | 216 | Then :N and :B cycles in the current window. If nil, this behavior is |
| 1e70790f MK |
217 | reversed." |
| 218 | :type 'boolean | |
| 219 | :group 'viper-ex) | |
| bbe6126c | 220 | |
| 1e70790f MK |
221 | (defcustom ex-cycle-through-non-files nil |
| 222 | "*Cycle through *scratch* and other buffers that don't visit any file." | |
| 223 | :type 'boolean | |
| 224 | :group 'viper-ex) | |
| bbe6126c | 225 | |
| 52fa07ba | 226 | ;; Last shell command executed with :! command. |
| 8626cfa2 | 227 | (defvar viper-ex-last-shell-com nil) |
| bbe6126c | 228 | |
| 52fa07ba | 229 | ;; Indicates if Minibuffer was exited temporarily in Ex-command. |
| 8626cfa2 | 230 | (defvar viper-incomplete-ex-cmd nil) |
| bbe6126c | 231 | |
| 52fa07ba | 232 | ;; Remembers the last ex-command prompt. |
| 8626cfa2 | 233 | (defvar viper-last-ex-prompt "") |
| bbe6126c | 234 | |
| bbe6126c | 235 | |
| 52fa07ba MK |
236 | ;;; Code |
| 237 | ||
| 238 | ;; Check if ex-token is an initial segment of STR | |
| 8626cfa2 | 239 | (defun viper-check-sub (str) |
| 52fa07ba MK |
240 | (let ((length (length ex-token))) |
| 241 | (if (and (<= length (length str)) | |
| 242 | (string= ex-token (substring str 0 length))) | |
| 243 | (setq ex-token str) | |
| 244 | (setq ex-token-type 'non-command)))) | |
| bbe6126c | 245 | |
| 52fa07ba | 246 | ;; Get a complete ex command |
| 8626cfa2 | 247 | (defun viper-get-ex-com-subr () |
| 52fa07ba MK |
248 | (let (case-fold-search) |
| 249 | (set-mark (point)) | |
| 250 | (re-search-forward "[a-zA-Z][a-zA-Z]*") | |
| 251 | (setq ex-token-type 'command) | |
| 252 | (setq ex-token (buffer-substring (point) (mark t))) | |
| 253 | (exchange-point-and-mark) | |
| 254 | (cond ((looking-at "a") | |
| 8626cfa2 MK |
255 | (cond ((looking-at "ab") (viper-check-sub "abbreviate")) |
| 256 | ((looking-at "ar") (viper-check-sub "args")) | |
| 257 | (t (viper-check-sub "append")))) | |
| 258 | ((looking-at "h") (viper-check-sub "help")) | |
| 52fa07ba | 259 | ((looking-at "c") |
| 8626cfa2 MK |
260 | (cond ((looking-at "cd") (viper-check-sub "cd")) |
| 261 | ((looking-at "ch") (viper-check-sub "chdir")) | |
| 262 | ((looking-at "co") (viper-check-sub "copy")) | |
| 3af0304a | 263 | ((looking-at "cu") (viper-check-sub "customize")) |
| 8626cfa2 MK |
264 | (t (viper-check-sub "change")))) |
| 265 | ((looking-at "d") (viper-check-sub "delete")) | |
| 266 | ((looking-at "b") (viper-check-sub "buffer")) | |
| 267 | ((looking-at "B") (viper-check-sub "Buffer")) | |
| 52fa07ba | 268 | ((looking-at "e") |
| 8626cfa2 MK |
269 | (if (looking-at "ex") (viper-check-sub "ex") |
| 270 | (viper-check-sub "edit"))) | |
| 271 | ((looking-at "f") (viper-check-sub "file")) | |
| 272 | ((looking-at "g") (viper-check-sub "global")) | |
| 273 | ((looking-at "i") (viper-check-sub "insert")) | |
| 274 | ((looking-at "j") (viper-check-sub "join")) | |
| 275 | ((looking-at "l") (viper-check-sub "list")) | |
| 52fa07ba | 276 | ((looking-at "m") |
| 8626cfa2 MK |
277 | (cond ((looking-at "map") (viper-check-sub "map")) |
| 278 | ((looking-at "mar") (viper-check-sub "mark")) | |
| 279 | (t (viper-check-sub "move")))) | |
| 52fa07ba MK |
280 | ((looking-at "k[a-z][^a-z]") |
| 281 | (setq ex-token "kmark") | |
| 282 | (forward-char 1) | |
| 283 | (exchange-point-and-mark)) ; this is canceled out by another | |
| 284 | ; exchange-point-and-mark at the end | |
| 8626cfa2 | 285 | ((looking-at "k") (viper-check-sub "kmark")) |
| 52fa07ba | 286 | ((looking-at "n") (if (looking-at "nu") |
| 8626cfa2 MK |
287 | (viper-check-sub "number") |
| 288 | (viper-check-sub "next"))) | |
| 289 | ((looking-at "N") (viper-check-sub "Next")) | |
| 290 | ((looking-at "o") (viper-check-sub "open")) | |
| 52fa07ba | 291 | ((looking-at "p") |
| 8626cfa2 MK |
292 | (cond ((looking-at "pre") (viper-check-sub "preserve")) |
| 293 | ((looking-at "pu") (viper-check-sub "put")) | |
| 294 | ((looking-at "pw") (viper-check-sub "pwd")) | |
| 295 | (t (viper-check-sub "print")))) | |
| 296 | ((looking-at "P") (viper-check-sub "PreviousRelatedFile")) | |
| 297 | ((looking-at "R") (viper-check-sub "RelatedFile")) | |
| 298 | ((looking-at "q") (viper-check-sub "quit")) | |
| 52fa07ba | 299 | ((looking-at "r") |
| 8626cfa2 MK |
300 | (cond ((looking-at "rec") (viper-check-sub "recover")) |
| 301 | ((looking-at "rew") (viper-check-sub "rewind")) | |
| 302 | (t (viper-check-sub "read")))) | |
| 52fa07ba | 303 | ((looking-at "s") |
| 8626cfa2 MK |
304 | (cond ((looking-at "se") (viper-check-sub "set")) |
| 305 | ((looking-at "sh") (viper-check-sub "shell")) | |
| 306 | ((looking-at "so") (viper-check-sub "source")) | |
| 307 | ((looking-at "sr") (viper-check-sub "sr")) | |
| 308 | ((looking-at "st") (viper-check-sub "stop")) | |
| 309 | ((looking-at "sus") (viper-check-sub "suspend")) | |
| 310 | ((looking-at "subm") (viper-check-sub "submitReport")) | |
| 311 | (t (viper-check-sub "substitute")))) | |
| 52fa07ba | 312 | ((looking-at "t") |
| 8626cfa2 MK |
313 | (if (looking-at "ta") (viper-check-sub "tag") |
| 314 | (viper-check-sub "transfer"))) | |
| 52fa07ba | 315 | ((looking-at "u") |
| 8626cfa2 MK |
316 | (cond ((looking-at "una") (viper-check-sub "unabbreviate")) |
| 317 | ((looking-at "unm") (viper-check-sub "unmap")) | |
| 318 | (t (viper-check-sub "undo")))) | |
| 52fa07ba | 319 | ((looking-at "v") |
| 8626cfa2 MK |
320 | (cond ((looking-at "ve") (viper-check-sub "version")) |
| 321 | ((looking-at "vi") (viper-check-sub "visual")) | |
| 322 | (t (viper-check-sub "vglobal")))) | |
| 52fa07ba | 323 | ((looking-at "w") |
| 8626cfa2 MK |
324 | (if (looking-at "wq") (viper-check-sub "wq") |
| 325 | (viper-check-sub "write"))) | |
| 52fa07ba MK |
326 | ((looking-at "W") |
| 327 | (if (looking-at "WW") | |
| 8626cfa2 MK |
328 | (viper-check-sub "WWrite") |
| 329 | (viper-check-sub "Write"))) | |
| 330 | ((looking-at "x") (viper-check-sub "xit")) | |
| 331 | ((looking-at "y") (viper-check-sub "yank")) | |
| 332 | ((looking-at "z") (viper-check-sub "z"))) | |
| 52fa07ba MK |
333 | (exchange-point-and-mark) |
| 334 | )) | |
| bbe6126c | 335 | |
| 52fa07ba MK |
336 | ;; Get an ex-token which is either an address or a command. |
| 337 | ;; A token has a type, \(command, address, end-mark\), and a value | |
| 8626cfa2 | 338 | (defun viper-get-ex-token () |
| 52fa07ba | 339 | (save-window-excursion |
| 8626cfa2 MK |
340 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 341 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba | 342 | (skip-chars-forward " \t|") |
| 96dffd25 MK |
343 | (let ((case-fold-search t)) |
| 344 | (cond ((looking-at "#") | |
| 345 | (setq ex-token-type 'command) | |
| 346 | (setq ex-token (char-to-string (following-char))) | |
| 347 | (forward-char 1)) | |
| 348 | ((looking-at "[a-z]") (viper-get-ex-com-subr)) | |
| 349 | ((looking-at "\\.") | |
| 350 | (forward-char 1) | |
| 351 | (setq ex-token-type 'dot)) | |
| 352 | ((looking-at "[0-9]") | |
| 353 | (set-mark (point)) | |
| 354 | (re-search-forward "[0-9]*") | |
| 355 | (setq ex-token-type | |
| 356 | (cond ((eq ex-token-type 'plus) 'add-number) | |
| 357 | ((eq ex-token-type 'minus) 'sub-number) | |
| 358 | (t 'abs-number))) | |
| 359 | (setq ex-token | |
| 360 | (string-to-int (buffer-substring (point) (mark t))))) | |
| 361 | ((looking-at "\\$") | |
| 362 | (forward-char 1) | |
| 363 | (setq ex-token-type 'end)) | |
| 364 | ((looking-at "%") | |
| 365 | (forward-char 1) | |
| 366 | (setq ex-token-type 'whole)) | |
| 367 | ((looking-at "+") | |
| 368 | (cond ((or (looking-at "+[-+]") (looking-at "+[\n|]")) | |
| 369 | (forward-char 1) | |
| 370 | (insert "1") | |
| 371 | (backward-char 1) | |
| 52fa07ba | 372 | (setq ex-token-type 'plus)) |
| 96dffd25 MK |
373 | ((looking-at "+[0-9]") |
| 374 | (forward-char 1) | |
| 375 | (setq ex-token-type 'plus)) | |
| 376 | (t | |
| 377 | (error viper-BadAddress)))) | |
| 378 | ((looking-at "-") | |
| 379 | (cond ((or (looking-at "-[-+]") (looking-at "-[\n|]")) | |
| 380 | (forward-char 1) | |
| 381 | (insert "1") | |
| 382 | (backward-char 1) | |
| 383 | (setq ex-token-type 'minus)) | |
| 384 | ((looking-at "-[0-9]") | |
| 385 | (forward-char 1) | |
| 386 | (setq ex-token-type 'minus)) | |
| 387 | (t | |
| 388 | (error viper-BadAddress)))) | |
| 389 | ((looking-at "/") | |
| 390 | (forward-char 1) | |
| 391 | (set-mark (point)) | |
| 392 | (let ((cont t)) | |
| 393 | (while (and (not (eolp)) cont) | |
| 394 | ;;(re-search-forward "[^/]*/") | |
| 395 | (re-search-forward "[^/]*\\(/\\|\n\\)") | |
| 396 | (if (not (viper-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/")) | |
| 397 | (setq cont nil)))) | |
| 398 | (backward-char 1) | |
| 399 | (setq ex-token (buffer-substring (point) (mark t))) | |
| 400 | (if (looking-at "/") (forward-char 1)) | |
| 401 | (setq ex-token-type 'search-forward)) | |
| 402 | ((looking-at "\\?") | |
| 403 | (forward-char 1) | |
| 404 | (set-mark (point)) | |
| 405 | (let ((cont t)) | |
| 406 | (while (and (not (eolp)) cont) | |
| 407 | ;;(re-search-forward "[^\\?]*\\?") | |
| 408 | (re-search-forward "[^\\?]*\\(\\?\\|\n\\)") | |
| 409 | (if (not (viper-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\\\?")) | |
| 410 | (setq cont nil)) | |
| 411 | (backward-char 1) | |
| 412 | (if (not (looking-at "\n")) (forward-char 1)))) | |
| 413 | (setq ex-token-type 'search-backward) | |
| 414 | (setq ex-token (buffer-substring (1- (point)) (mark t)))) | |
| 415 | ((looking-at ",") | |
| 416 | (forward-char 1) | |
| 417 | (setq ex-token-type 'comma)) | |
| 418 | ((looking-at ";") | |
| 419 | (forward-char 1) | |
| 420 | (setq ex-token-type 'semi-colon)) | |
| 421 | ((looking-at "[!=><&~]") | |
| 422 | (setq ex-token-type 'command) | |
| 423 | (setq ex-token (char-to-string (following-char))) | |
| 424 | (forward-char 1)) | |
| 425 | ((looking-at "'") | |
| 426 | (setq ex-token-type 'goto-mark) | |
| 427 | (forward-char 1) | |
| 428 | (cond ((looking-at "'") (setq ex-token nil)) | |
| 429 | ((looking-at "[a-z]") (setq ex-token (following-char))) | |
| 430 | (t (error "Marks are ' and a-z"))) | |
| 431 | (forward-char 1)) | |
| 432 | ((looking-at "\n") | |
| 433 | (setq ex-token-type 'end-mark) | |
| 434 | (setq ex-token "goto")) | |
| 435 | (t | |
| 436 | (error viper-BadExCommand)))))) | |
| bbe6126c | 437 | |
| 3af0304a MK |
438 | ;; Reads Ex command. Tries to determine if it has to exit because command |
| 439 | ;; is complete or invalid. If not, keeps reading command. | |
| 52fa07ba MK |
440 | (defun ex-cmd-read-exit () |
| 441 | (interactive) | |
| 8626cfa2 | 442 | (setq viper-incomplete-ex-cmd t) |
| 52fa07ba MK |
443 | (let ((quit-regex1 (concat |
| 444 | "\\(" "set[ \t]*" | |
| 445 | "\\|" "edit[ \t]*" | |
| 446 | "\\|" "[nN]ext[ \t]*" | |
| 447 | "\\|" "unm[ \t]*" | |
| 448 | "\\|" "^[ \t]*rep" | |
| 449 | "\\)")) | |
| 450 | (quit-regex2 (concat | |
| 451 | "[a-zA-Z][ \t]*" | |
| 452 | "\\(" "!" "\\|" ">>" | |
| 453 | "\\|" "\\+[0-9]+" | |
| 454 | "\\)" | |
| 455 | "*[ \t]*$")) | |
| 456 | (stay-regex (concat | |
| 457 | "\\(" "^[ \t]*$" | |
| 1e70790f | 458 | "\\|" "[?/].*" |
| 52fa07ba MK |
459 | "\\|" "[ktgjmsz][ \t]*$" |
| 460 | "\\|" "^[ \t]*ab.*" | |
| 461 | "\\|" "tr[ansfer \t]*" | |
| 462 | "\\|" "sr[ \t]*" | |
| 463 | "\\|" "mo.*" | |
| 464 | "\\|" "^[ \t]*k?ma[^p]*" | |
| 465 | "\\|" "^[ \t]*fi.*" | |
| 466 | "\\|" "v?gl.*" | |
| 467 | "\\|" "[vg][ \t]*$" | |
| 468 | "\\|" "jo.*" | |
| 469 | "\\|" "^[ \t]*ta.*" | |
| 470 | "\\|" "^[ \t]*una.*" | |
| 2eb4bdca MK |
471 | ;; don't jump up in :s command |
| 472 | "\\|" "^[ \t]*\\([`'][a-z]\\|[.,%]\\)*[ \t]*su.*" | |
| 473 | "\\|" "^[ \t]*\\([`'][a-z]\\|[.,%]\\)*[ \t]*s[^a-z].*" | |
| 328b4b70 MK |
474 | "\\|" "['`][a-z][ \t]*" |
| 475 | ;; r! assumes that the next one is a shell command | |
| 476 | "\\|" "\\(r\\|re\\|rea\\|read\\)[ \t]*!" | |
| 477 | ;; w ! assumes that the next one is a shell command | |
| 478 | "\\|" "\\(w\\|wr\\|wri\\|writ.?\\)[ \t]+!" | |
| 52fa07ba MK |
479 | "\\|" "![ \t]*[a-zA-Z].*" |
| 480 | "\\)" | |
| 481 | "!*"))) | |
| 482 | ||
| 483 | (save-window-excursion ;; put cursor at the end of the Ex working buffer | |
| 8626cfa2 MK |
484 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 485 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba | 486 | (goto-char (point-max))) |
| 8626cfa2 MK |
487 | (cond ((viper-looking-back quit-regex1) (exit-minibuffer)) |
| 488 | ((viper-looking-back stay-regex) (insert " ")) | |
| 489 | ((viper-looking-back quit-regex2) (exit-minibuffer)) | |
| 52fa07ba MK |
490 | (t (insert " "))))) |
| 491 | ||
| 492 | ;; complete Ex command | |
| 493 | (defun ex-cmd-complete () | |
| 494 | (interactive) | |
| 495 | (let (save-pos dist compl-list string-to-complete completion-result) | |
| 496 | ||
| 497 | (save-excursion | |
| 498 | (setq dist (skip-chars-backward "[a-zA-Z!=>&~]") | |
| 499 | save-pos (point))) | |
| 500 | ||
| 501 | (if (or (= dist 0) | |
| 8626cfa2 MK |
502 | (viper-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)") |
| 503 | (viper-looking-back | |
| 3af0304a | 504 | "^[ \t]*[a-zA-Z!=>&~][ \t]*[/?]*[ \t]+[a-zA-Z!=>&~]+")) |
| 52fa07ba MK |
505 | ;; Preceding characters are not the ones allowed in an Ex command |
| 506 | ;; or we have typed past command name. | |
| 3af0304a | 507 | ;; Note: we didn't do parsing, so there can be surprises. |
| 8626cfa2 MK |
508 | (if (or (viper-looking-back "[a-zA-Z!=>&~][ \t]*[/?]*[ \t]*") |
| 509 | (viper-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)") | |
| 52fa07ba MK |
510 | (looking-at "[^ \t\n\C-m]")) |
| 511 | nil | |
| 512 | (with-output-to-temp-buffer "*Completions*" | |
| 513 | (display-completion-list | |
| 8626cfa2 | 514 | (viper-alist-to-list ex-token-alist)))) |
| 52fa07ba MK |
515 | ;; Preceding chars may be part of a command name |
| 516 | (setq string-to-complete (buffer-substring save-pos (point))) | |
| 517 | (setq completion-result | |
| 518 | (try-completion string-to-complete ex-token-alist)) | |
| 519 | ||
| 520 | (cond ((eq completion-result t) ; exact match--do nothing | |
| 8626cfa2 | 521 | (viper-tmp-insert-at-eob " (Sole completion)")) |
| 52fa07ba | 522 | ((eq completion-result nil) |
| 8626cfa2 | 523 | (viper-tmp-insert-at-eob " (No match)")) |
| 52fa07ba MK |
524 | (t ;; partial completion |
| 525 | (goto-char save-pos) | |
| 526 | (delete-region (point) (point-max)) | |
| 527 | (insert completion-result) | |
| 528 | (let (case-fold-search) | |
| 529 | (setq compl-list | |
| 8626cfa2 | 530 | (viper-filter-alist (concat "^" completion-result) |
| 52fa07ba MK |
531 | ex-token-alist))) |
| 532 | (if (> (length compl-list) 1) | |
| 533 | (with-output-to-temp-buffer "*Completions*" | |
| 534 | (display-completion-list | |
| 8626cfa2 | 535 | (viper-alist-to-list (reverse compl-list))))))) |
| 52fa07ba MK |
536 | ))) |
| 537 | ||
| bbe6126c | 538 | |
| 52fa07ba | 539 | ;; Read Ex commands |
| 3af0304a MK |
540 | ;; ARG is a prefix argument. If given, the ex command runs on the region |
| 541 | ;;(without the user having to specify the address :a,b | |
| 542 | ;; STRING is the command to execute. If nil, then Viper asks you to enter the | |
| 543 | ;; command. | |
| c004db97 MK |
544 | (defun viper-ex (arg &optional string) |
| 545 | (interactive "P") | |
| 52fa07ba MK |
546 | (or string |
| 547 | (setq ex-g-flag nil | |
| 548 | ex-g-variant nil)) | |
| 549 | (let* ((map (copy-keymap minibuffer-local-map)) | |
| 550 | (address nil) | |
| 551 | (cont t) | |
| 552 | (dot (point)) | |
| c004db97 MK |
553 | reg-beg-line reg-end-line |
| 554 | reg-beg reg-end | |
| 555 | initial-str | |
| 52fa07ba | 556 | prev-token-type com-str) |
| 8626cfa2 | 557 | (viper-add-keymap viper-ex-cmd-map map) |
| c004db97 MK |
558 | |
| 559 | (if arg | |
| 560 | (progn | |
| 561 | (viper-enlarge-region (mark t) (point)) | |
| 562 | (if (> (point) (mark t)) | |
| 563 | (setq reg-beg (mark t) | |
| 564 | reg-end (point)) | |
| 565 | (setq reg-end (mark t) | |
| 566 | reg-beg (point))) | |
| 567 | (save-excursion | |
| 568 | (goto-char reg-beg) | |
| 569 | (setq reg-beg-line (1+ (count-lines (point-min) (point))) | |
| 570 | reg-end-line | |
| 571 | (+ reg-beg-line (count-lines reg-beg reg-end) -1))))) | |
| 572 | (if reg-beg-line | |
| 573 | (setq initial-str (format "%d,%d" reg-beg-line reg-end-line))) | |
| 52fa07ba | 574 | |
| c004db97 MK |
575 | (setq com-str |
| 576 | (or string (viper-read-string-with-history | |
| 577 | ":" | |
| 578 | initial-str | |
| 579 | 'viper-ex-history | |
| 580 | ;; no default when working on region | |
| 581 | (if initial-str | |
| 582 | "none" | |
| 583 | (car viper-ex-history)) | |
| 584 | map | |
| 585 | (if initial-str | |
| 586 | " [Type command to execute on current region]")))) | |
| 52fa07ba MK |
587 | (save-window-excursion |
| 588 | ;; just a precaution | |
| 8626cfa2 MK |
589 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 590 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
591 | (delete-region (point-min) (point-max)) |
| 592 | (insert com-str "\n") | |
| 593 | (goto-char (point-min))) | |
| 594 | (setq ex-token-type nil | |
| 595 | ex-addresses nil) | |
| 596 | (while cont | |
| 8626cfa2 | 597 | (viper-get-ex-token) |
| 52fa07ba MK |
598 | (cond ((memq ex-token-type '(command end-mark)) |
| 599 | (if address (setq ex-addresses (cons address ex-addresses))) | |
| 600 | (cond ((string= ex-token "global") | |
| 601 | (ex-global nil) | |
| 602 | (setq cont nil)) | |
| 603 | ((string= ex-token "vglobal") | |
| 604 | (ex-global t) | |
| 605 | (setq cont nil)) | |
| 606 | (t | |
| 8626cfa2 | 607 | (viper-execute-ex-command) |
| 3af0304a MK |
608 | (save-excursion |
| 609 | (save-window-excursion | |
| 610 | (setq viper-ex-work-buf | |
| 611 | (get-buffer-create viper-ex-work-buf-name)) | |
| 612 | (set-buffer viper-ex-work-buf) | |
| 613 | (skip-chars-forward " \t") | |
| 614 | (cond ((looking-at "|") | |
| 615 | (forward-char 1)) | |
| 616 | ((looking-at "\n") | |
| 617 | (setq cont nil)) | |
| 618 | (t (error | |
| 619 | "`%s': %s" ex-token viper-SpuriousText))) | |
| 620 | ))) | |
| 52fa07ba MK |
621 | )) |
| 622 | ((eq ex-token-type 'non-command) | |
| 8626cfa2 | 623 | (error "`%s': %s" ex-token viper-BadExCommand)) |
| 52fa07ba MK |
624 | ((eq ex-token-type 'whole) |
| 625 | (setq address nil) | |
| 626 | (setq ex-addresses | |
| 627 | (if ex-addresses | |
| 628 | (cons (point-max) ex-addresses) | |
| 629 | (cons (point-max) (cons (point-min) ex-addresses))))) | |
| 630 | ((eq ex-token-type 'comma) | |
| 631 | (if (eq prev-token-type 'whole) | |
| 632 | (setq address (point-min))) | |
| 633 | (setq ex-addresses | |
| 634 | (cons (if (null address) (point) address) ex-addresses))) | |
| 635 | ((eq ex-token-type 'semi-colon) | |
| 636 | (if (eq prev-token-type 'whole) | |
| 637 | (setq address (point-min))) | |
| 638 | (if address (setq dot address)) | |
| 639 | (setq ex-addresses | |
| 640 | (cons (if (null address) (point) address) ex-addresses))) | |
| 8626cfa2 | 641 | (t (let ((ans (viper-get-ex-address-subr address dot))) |
| 52fa07ba MK |
642 | (if ans (setq address ans))))) |
| 643 | (setq prev-token-type ex-token-type)))) | |
| 644 | ||
| bbe6126c | 645 | |
| 52fa07ba | 646 | ;; Get a regular expression and set `ex-variant', if found |
| 8626cfa2 | 647 | (defun viper-get-ex-pat () |
| 52fa07ba | 648 | (save-window-excursion |
| 8626cfa2 MK |
649 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 650 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
651 | (skip-chars-forward " \t") |
| 652 | (if (looking-at "!") | |
| 2eb4bdca | 653 | ;; this is probably a variant command r! |
| 52fa07ba MK |
654 | (progn |
| 655 | (setq ex-g-variant (not ex-g-variant) | |
| 656 | ex-g-flag (not ex-g-flag)) | |
| 657 | (forward-char 1) | |
| 658 | (skip-chars-forward " \t"))) | |
| 659 | (let ((c (following-char))) | |
| 2eb4bdca MK |
660 | (cond ((string-match "[0-9A-Za-z]" (format "%c" c)) |
| 661 | (error | |
| 662 | "Global regexp must be inside matching non-alphanumeric chars")) | |
| 663 | ((= c ??) (error "`?' is not an allowed pattern delimiter here"))) | |
| 52fa07ba MK |
664 | (if (looking-at "[^\\\\\n]") |
| 665 | (progn | |
| 666 | (forward-char 1) | |
| 667 | (set-mark (point)) | |
| 668 | (let ((cont t)) | |
| 2eb4bdca MK |
669 | ;; the use of eobp instead of eolp permits the use of newlines in |
| 670 | ;; pat2 in s/pat1/pat2/ | |
| 671 | (while (and (not (eobp)) cont) | |
| 52fa07ba MK |
672 | (if (not (re-search-forward (format "[^%c]*%c" c c) nil t)) |
| 673 | (if (member ex-token '("global" "vglobal")) | |
| 2eb4bdca | 674 | (error "Missing closing delimiter for global regexp") |
| 52fa07ba | 675 | (goto-char (point-max)))) |
| 8626cfa2 | 676 | (if (not (viper-looking-back |
| 52fa07ba | 677 | (format "[^\\\\]\\(\\\\\\\\\\)*\\\\%c" c))) |
| 2eb4bdca MK |
678 | (setq cont nil) |
| 679 | ;; we are at an escaped delimiter: unescape it and continue | |
| 680 | (delete-backward-char 2) | |
| 681 | (insert c) | |
| 682 | (if (eolp) | |
| 683 | ;; if at eol, exit loop and go to next line | |
| 684 | ;; later, delim will be inserted at the end | |
| 685 | (progn | |
| 686 | (setq cont nil) | |
| 687 | (forward-char)))) | |
| 688 | )) | |
| 52fa07ba MK |
689 | (setq ex-token |
| 690 | (if (= (mark t) (point)) "" | |
| 691 | (buffer-substring (1- (point)) (mark t)))) | |
| 1e70790f | 692 | (backward-char 1) |
| 2eb4bdca | 693 | ;; if the user didn't insert the final pattern delimiter, we're |
| 3af0304a | 694 | ;; at newline now. In this case, insert the initial delimiter |
| 1e70790f | 695 | ;; specified in variable c |
| 2eb4bdca | 696 | (if (eolp) |
| 1e70790f | 697 | (progn |
| 2eb4bdca MK |
698 | (insert c) |
| 699 | (backward-char 1))) | |
| 1e70790f | 700 | ) |
| 52fa07ba MK |
701 | (setq ex-token nil)) |
| 702 | c))) | |
| bbe6126c | 703 | |
| 52fa07ba | 704 | ;; get an ex command |
| 8626cfa2 | 705 | (defun viper-get-ex-command () |
| 52fa07ba | 706 | (save-window-excursion |
| 8626cfa2 MK |
707 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 708 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
709 | (if (looking-at "/") (forward-char 1)) |
| 710 | (skip-chars-forward " \t") | |
| 711 | (cond ((looking-at "[a-z]") | |
| 8626cfa2 | 712 | (viper-get-ex-com-subr) |
| 52fa07ba | 713 | (if (eq ex-token-type 'non-command) |
| 8626cfa2 | 714 | (error "`%s': %s" ex-token viper-BadExCommand))) |
| 52fa07ba MK |
715 | ((looking-at "[!=><&~]") |
| 716 | (setq ex-token (char-to-string (following-char))) | |
| 717 | (forward-char 1)) | |
| 8626cfa2 | 718 | (t (error viper-BadExCommand))))) |
| 52fa07ba MK |
719 | |
| 720 | ;; Get an Ex option g or c | |
| 8626cfa2 | 721 | (defun viper-get-ex-opt-gc (c) |
| 52fa07ba | 722 | (save-window-excursion |
| 8626cfa2 MK |
723 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 724 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
725 | (if (looking-at (format "%c" c)) (forward-char 1)) |
| 726 | (skip-chars-forward " \t") | |
| 727 | (cond ((looking-at "g") | |
| 728 | (setq ex-token "g") | |
| 729 | (forward-char 1) | |
| 730 | t) | |
| 731 | ((looking-at "c") | |
| 732 | (setq ex-token "c") | |
| 733 | (forward-char 1) | |
| 734 | t) | |
| 735 | (t nil)))) | |
| 736 | ||
| 737 | ;; Compute default addresses. WHOLE-FLAG means use the whole buffer | |
| 8626cfa2 | 738 | (defun viper-default-ex-addresses (&optional whole-flag) |
| 52fa07ba MK |
739 | (cond ((null ex-addresses) |
| 740 | (setq ex-addresses | |
| 741 | (if whole-flag | |
| 2eb4bdca MK |
742 | (list (point-max) (point-min)) |
| 743 | (list (point) (point))))) | |
| 52fa07ba MK |
744 | ((null (cdr ex-addresses)) |
| 745 | (setq ex-addresses | |
| 746 | (cons (car ex-addresses) ex-addresses))))) | |
| 747 | ||
| 748 | ;; Get an ex-address as a marker and set ex-flag if a flag is found | |
| 8626cfa2 | 749 | (defun viper-get-ex-address () |
| 9b70a748 MK |
750 | (let ((address (point-marker)) |
| 751 | (cont t)) | |
| 52fa07ba MK |
752 | (setq ex-token "") |
| 753 | (setq ex-flag nil) | |
| 754 | (while cont | |
| 8626cfa2 | 755 | (viper-get-ex-token) |
| 52fa07ba MK |
756 | (cond ((eq ex-token-type 'command) |
| 757 | (if (member ex-token '("print" "list" "#")) | |
| 758 | (progn | |
| 759 | (setq ex-flag t | |
| 760 | cont nil)) | |
| 761 | (error "Address expected in this Ex command"))) | |
| 762 | ((eq ex-token-type 'end-mark) | |
| 763 | (setq cont nil)) | |
| 764 | ((eq ex-token-type 'whole) | |
| 765 | (error "Trailing address expected")) | |
| 766 | ((eq ex-token-type 'comma) | |
| 8626cfa2 MK |
767 | (error "`%s': %s" ex-token viper-SpuriousText)) |
| 768 | (t (let ((ans (viper-get-ex-address-subr address (point-marker)))) | |
| 52fa07ba MK |
769 | (if ans (setq address ans)))))) |
| 770 | address)) | |
| 771 | ||
| 772 | ;; Returns an address as a point | |
| 8626cfa2 | 773 | (defun viper-get-ex-address-subr (old-address dot) |
| 52fa07ba MK |
774 | (let ((address nil)) |
| 775 | (if (null old-address) (setq old-address dot)) | |
| 776 | (cond ((eq ex-token-type 'dot) | |
| 777 | (setq address dot)) | |
| 778 | ((eq ex-token-type 'add-number) | |
| 779 | (save-excursion | |
| 780 | (goto-char old-address) | |
| 781 | (forward-line (if (= old-address 0) (1- ex-token) ex-token)) | |
| 782 | (setq address (point-marker)))) | |
| 783 | ((eq ex-token-type 'sub-number) | |
| 784 | (save-excursion | |
| 785 | (goto-char old-address) | |
| 786 | (forward-line (- ex-token)) | |
| 787 | (setq address (point-marker)))) | |
| 788 | ((eq ex-token-type 'abs-number) | |
| 789 | (save-excursion | |
| 790 | (goto-char (point-min)) | |
| 791 | (if (= ex-token 0) (setq address 0) | |
| 792 | (forward-line (1- ex-token)) | |
| 793 | (setq address (point-marker))))) | |
| 794 | ((eq ex-token-type 'end) | |
| 795 | (setq address (point-max-marker))) | |
| 796 | ((eq ex-token-type 'plus) t) ; do nothing | |
| 797 | ((eq ex-token-type 'minus) t) ; do nothing | |
| 798 | ((eq ex-token-type 'search-forward) | |
| 799 | (save-excursion | |
| 800 | (ex-search-address t) | |
| 801 | (setq address (point-marker)))) | |
| 802 | ((eq ex-token-type 'search-backward) | |
| 803 | (save-excursion | |
| 804 | (ex-search-address nil) | |
| 805 | (setq address (point-marker)))) | |
| 806 | ((eq ex-token-type 'goto-mark) | |
| 807 | (save-excursion | |
| 808 | (if (null ex-token) | |
| 809 | (exchange-point-and-mark) | |
| 8626cfa2 | 810 | (goto-char (viper-register-to-point |
| 52fa07ba MK |
811 | (1+ (- ex-token ?a)) 'enforce-buffer))) |
| 812 | (setq address (point-marker))))) | |
| 813 | address)) | |
| 814 | ||
| 815 | ||
| 816 | ;; Search pattern and set address | |
| 817 | (defun ex-search-address (forward) | |
| 818 | (if (string= ex-token "") | |
| 8626cfa2 MK |
819 | (if (null viper-s-string) |
| 820 | (error viper-NoPrevSearch) | |
| 821 | (setq ex-token viper-s-string)) | |
| 822 | (setq viper-s-string ex-token)) | |
| 52fa07ba MK |
823 | (if forward |
| 824 | (progn | |
| 825 | (forward-line 1) | |
| 826 | (re-search-forward ex-token)) | |
| 827 | (forward-line -1) | |
| 828 | (re-search-backward ex-token))) | |
| 829 | ||
| 830 | ;; Get a buffer name and set `ex-count' and `ex-flag' if found | |
| 8626cfa2 | 831 | (defun viper-get-ex-buffer () |
| 52fa07ba MK |
832 | (setq ex-buffer nil) |
| 833 | (setq ex-count nil) | |
| 834 | (setq ex-flag nil) | |
| 835 | (save-window-excursion | |
| 8626cfa2 MK |
836 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 837 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
838 | (skip-chars-forward " \t") |
| 839 | (if (looking-at "[a-zA-Z]") | |
| 840 | (progn | |
| 841 | (setq ex-buffer (following-char)) | |
| 842 | (forward-char 1) | |
| 843 | (skip-chars-forward " \t"))) | |
| 844 | (if (looking-at "[0-9]") | |
| 845 | (progn | |
| 846 | (set-mark (point)) | |
| 847 | (re-search-forward "[0-9][0-9]*") | |
| 848 | (setq ex-count (string-to-int (buffer-substring (point) (mark t)))) | |
| 849 | (skip-chars-forward " \t"))) | |
| 850 | (if (looking-at "[pl#]") | |
| 851 | (progn | |
| 852 | (setq ex-flag t) | |
| 853 | (forward-char 1))) | |
| 854 | (if (not (looking-at "[\n|]")) | |
| 8626cfa2 | 855 | (error "`%s': %s" ex-token viper-SpuriousText)))) |
| 52fa07ba | 856 | |
| 8626cfa2 | 857 | (defun viper-get-ex-count () |
| 52fa07ba MK |
858 | (setq ex-variant nil |
| 859 | ex-count nil | |
| 860 | ex-flag nil) | |
| 861 | (save-window-excursion | |
| 8626cfa2 MK |
862 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 863 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
864 | (skip-chars-forward " \t") |
| 865 | (if (looking-at "!") | |
| 866 | (progn | |
| 867 | (setq ex-variant t) | |
| 868 | (forward-char 1))) | |
| 869 | (skip-chars-forward " \t") | |
| 870 | (if (looking-at "[0-9]") | |
| 871 | (progn | |
| 872 | (set-mark (point)) | |
| 873 | (re-search-forward "[0-9][0-9]*") | |
| 874 | (setq ex-count (string-to-int (buffer-substring (point) (mark t)))) | |
| 875 | (skip-chars-forward " \t"))) | |
| 876 | (if (looking-at "[pl#]") | |
| 877 | (progn | |
| 878 | (setq ex-flag t) | |
| 879 | (forward-char 1))) | |
| 880 | (if (not (looking-at "[\n|]")) | |
| 881 | (error "`%s': %s" | |
| 8626cfa2 MK |
882 | (buffer-substring |
| 883 | (point-min) (1- (point-max))) viper-BadExCommand)))) | |
| 52fa07ba MK |
884 | |
| 885 | ;; Expand \% and \# in ex command | |
| 886 | (defun ex-expand-filsyms (cmd buf) | |
| 887 | (let (cf pf ret) | |
| 888 | (save-excursion | |
| 889 | (set-buffer buf) | |
| 890 | (setq cf buffer-file-name) | |
| 891 | (setq pf (ex-next nil t))) ; this finds alternative file name | |
| 892 | (if (and (null cf) (string-match "[^\\]%\\|\\`%" cmd)) | |
| 893 | (error "No current file to substitute for `%%'")) | |
| 894 | (if (and (null pf) (string-match "[^\\]#\\|\\`#" cmd)) | |
| 895 | (error "No alternate file to substitute for `#'")) | |
| 896 | (save-excursion | |
| 8626cfa2 | 897 | (set-buffer (get-buffer-create viper-ex-tmp-buf-name)) |
| 52fa07ba MK |
898 | (erase-buffer) |
| 899 | (insert cmd) | |
| 900 | (goto-char (point-min)) | |
| 901 | (while (re-search-forward "%\\|#" nil t) | |
| 902 | (let ((data (match-data)) | |
| 903 | (char (buffer-substring (match-beginning 0) (match-end 0)))) | |
| 8626cfa2 | 904 | (if (viper-looking-back (concat "\\\\" char)) |
| 52fa07ba | 905 | (replace-match char) |
| 2eb4bdca | 906 | (store-match-data data) |
| 52fa07ba MK |
907 | (if (string= char "%") |
| 908 | (replace-match cf) | |
| 909 | (replace-match pf))))) | |
| 910 | (end-of-line) | |
| 911 | (setq ret (buffer-substring (point-min) (point))) | |
| 912 | (message "%s" ret)) | |
| 913 | ret)) | |
| 914 | ||
| 328b4b70 MK |
915 | ;; Get a file name and set `ex-variant', `ex-append' and `ex-offset' if found |
| 916 | ;; If it is r!, then get the command name and whatever args | |
| 8626cfa2 | 917 | (defun viper-get-ex-file () |
| 52fa07ba MK |
918 | (let (prompt) |
| 919 | (setq ex-file nil | |
| 920 | ex-variant nil | |
| 921 | ex-append nil | |
| 922 | ex-offset nil | |
| 328b4b70 MK |
923 | ex-cmdfile nil |
| 924 | ex-cmdfile-args "") | |
| 52fa07ba MK |
925 | (save-excursion |
| 926 | (save-window-excursion | |
| 8626cfa2 MK |
927 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 928 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
929 | (skip-chars-forward " \t") |
| 930 | (if (looking-at "!") | |
| 8626cfa2 | 931 | (if (and (not (viper-looking-back "[ \t]")) |
| 52fa07ba MK |
932 | ;; read doesn't have a corresponding :r! form, so ! is |
| 933 | ;; immediately interpreted as a shell command. | |
| 934 | (not (string= ex-token "read"))) | |
| 935 | (progn | |
| 936 | (setq ex-variant t) | |
| 937 | (forward-char 1) | |
| 938 | (skip-chars-forward " \t")) | |
| 939 | (setq ex-cmdfile t) | |
| 940 | (forward-char 1) | |
| 941 | (skip-chars-forward " \t"))) | |
| 942 | (if (looking-at ">>") | |
| 943 | (progn | |
| 944 | (setq ex-append t | |
| 945 | ex-variant t) | |
| 946 | (forward-char 2) | |
| 947 | (skip-chars-forward " \t"))) | |
| 948 | (if (looking-at "+") | |
| 949 | (progn | |
| 950 | (forward-char 1) | |
| 951 | (set-mark (point)) | |
| 952 | (re-search-forward "[ \t\n]") | |
| 953 | (backward-char 1) | |
| 954 | (setq ex-offset (buffer-substring (point) (mark t))) | |
| 955 | (forward-char 1) | |
| 956 | (skip-chars-forward " \t"))) | |
| 957 | ;; this takes care of :r, :w, etc., when they get file names | |
| 958 | ;; from the history list | |
| 959 | (if (member ex-token '("read" "write" "edit" "visual" "next")) | |
| 960 | (progn | |
| 961 | (setq ex-file (buffer-substring (point) (1- (point-max)))) | |
| 962 | (setq ex-file | |
| 963 | ;; For :e, match multiple non-white strings separated | |
| 3af0304a | 964 | ;; by white. For others, find the first non-white string |
| 52fa07ba MK |
965 | (if (string-match |
| 966 | (if (string= ex-token "edit") | |
| 967 | "[^ \t\n]+\\([ \t]+[^ \t\n]+\\)*" | |
| 968 | "[^ \t\n]+") | |
| 969 | ex-file) | |
| 970 | (progn | |
| 971 | ;; if file name comes from history, don't leave | |
| 972 | ;; minibuffer when the user types space | |
| 8626cfa2 | 973 | (setq viper-incomplete-ex-cmd nil) |
| 328b4b70 MK |
974 | (setq ex-cmdfile-args |
| 975 | (substring ex-file (match-end 0) nil)) | |
| 52fa07ba MK |
976 | ;; this must be the last clause in this progn |
| 977 | (substring ex-file (match-beginning 0) (match-end 0)) | |
| 978 | ) | |
| 979 | "")) | |
| 980 | ;; this leaves only the command name in the work area | |
| 981 | ;; file names are gone | |
| 982 | (delete-region (point) (1- (point-max))) | |
| 983 | )) | |
| 984 | (goto-char (point-max)) | |
| 985 | (skip-chars-backward " \t\n") | |
| 986 | (setq prompt (buffer-substring (point-min) (point))) | |
| 987 | )) | |
| 988 | ||
| 8626cfa2 | 989 | (setq viper-last-ex-prompt prompt) |
| 52fa07ba MK |
990 | |
| 991 | ;; If we just finished reading command, redisplay prompt | |
| 8626cfa2 MK |
992 | (if viper-incomplete-ex-cmd |
| 993 | (setq ex-file (viper-ex-read-file-name (format ":%s " prompt))) | |
| 52fa07ba MK |
994 | ;; file was typed in-line |
| 995 | (setq ex-file (or ex-file ""))) | |
| 996 | )) | |
| bbe6126c | 997 | |
| bbe6126c | 998 | |
| 3af0304a | 999 | ;; Completes file name or exits minibuffer. If Ex command accepts multiple |
| 52fa07ba | 1000 | ;; file names, arranges to re-enter the minibuffer. |
| 8626cfa2 | 1001 | (defun viper-complete-filename-or-exit () |
| 52fa07ba | 1002 | (interactive) |
| 8626cfa2 | 1003 | (setq viper-keep-reading-filename t) |
| 52fa07ba MK |
1004 | ;; don't exit if directory---ex-commands don't |
| 1005 | (cond ((ex-cmd-accepts-multiple-files-p ex-token) (exit-minibuffer)) | |
| 1006 | ;; apparently the argument to an Ex command is | |
| 1007 | ;; supposed to be a shell command | |
| 8626cfa2 | 1008 | ((viper-looking-back "^[ \t]*!.*") |
| 52fa07ba MK |
1009 | (setq ex-cmdfile t) |
| 1010 | (insert " ")) | |
| 1011 | (t | |
| 1012 | (setq ex-cmdfile nil) | |
| 1013 | (minibuffer-complete-word)))) | |
| bbe6126c | 1014 | |
| 8626cfa2 | 1015 | (defun viper-handle-! () |
| 52fa07ba MK |
1016 | (interactive) |
| 1017 | (if (and (string= | |
| 8626cfa2 | 1018 | (buffer-string) (viper-abbreviate-file-name default-directory)) |
| 52fa07ba MK |
1019 | (member ex-token '("read" "write"))) |
| 1020 | (erase-buffer)) | |
| 1021 | (insert "!")) | |
| 1022 | ||
| 1023 | (defun ex-cmd-accepts-multiple-files-p (token) | |
| 1024 | (member token '("edit" "next" "Next"))) | |
| 1025 | ||
| 328b4b70 | 1026 | ;; Read file name from the minibuffer in an ex command. |
| 52fa07ba MK |
1027 | ;; If user doesn't enter anything, then "" is returned, i.e., the |
| 1028 | ;; prompt-directory is not returned. | |
| 8626cfa2 | 1029 | (defun viper-ex-read-file-name (prompt) |
| 52fa07ba MK |
1030 | (let* ((str "") |
| 1031 | (minibuffer-local-completion-map | |
| 1032 | (copy-keymap minibuffer-local-completion-map)) | |
| 1033 | beg end cont val) | |
| 1034 | ||
| 8626cfa2 MK |
1035 | (viper-add-keymap ex-read-filename-map |
| 1036 | (if viper-emacs-p | |
| 52fa07ba MK |
1037 | minibuffer-local-completion-map |
| 1038 | read-file-name-map)) | |
| 1039 | ||
| 8626cfa2 | 1040 | (setq cont (setq viper-keep-reading-filename t)) |
| 52fa07ba | 1041 | (while cont |
| 8626cfa2 | 1042 | (setq viper-keep-reading-filename nil |
| 52fa07ba | 1043 | val (read-file-name (concat prompt str) nil default-directory)) |
| 2eb4bdca MK |
1044 | (setq val (expand-file-name val)) |
| 1045 | (if (and (string-match " " val) | |
| 1046 | (ex-cmd-accepts-multiple-files-p ex-token)) | |
| 1047 | (setq val (concat "\"" val "\""))) | |
| 52fa07ba MK |
1048 | (setq str (concat str (if (equal val "") "" " ") |
| 1049 | val (if (equal val "") "" " "))) | |
| 1050 | ||
| 1051 | ;; Only edit, next, and Next commands accept multiple files. | |
| 8626cfa2 | 1052 | ;; viper-keep-reading-filename is set in the anonymous function that is |
| 52fa07ba | 1053 | ;; bound to " " in ex-read-filename-map. |
| 8626cfa2 | 1054 | (setq cont (and viper-keep-reading-filename |
| 52fa07ba MK |
1055 | (ex-cmd-accepts-multiple-files-p ex-token))) |
| 1056 | ) | |
| 1057 | ||
| 1058 | (setq beg (string-match "[^ \t]" str) ; delete leading blanks | |
| 1059 | end (string-match "[ \t]*$" str)) ; delete trailing blanks | |
| 1060 | (if (member ex-token '("read" "write")) | |
| 1061 | (if (string-match "[\t ]*!" str) | |
| 1062 | ;; this is actually a shell command | |
| 1063 | (progn | |
| 1064 | (setq ex-cmdfile t) | |
| 1065 | (setq beg (1+ beg)) | |
| 8626cfa2 MK |
1066 | (setq viper-last-ex-prompt |
| 1067 | (concat viper-last-ex-prompt " !"))))) | |
| 52fa07ba | 1068 | (substring str (or beg 0) end))) |
| bbe6126c | 1069 | |
| 52fa07ba | 1070 | ;; Execute ex command using the value of addresses |
| 8626cfa2 MK |
1071 | (defun viper-execute-ex-command () |
| 1072 | (viper-deactivate-mark) | |
| 52fa07ba MK |
1073 | (cond ((string= ex-token "args") (ex-args)) |
| 1074 | ((string= ex-token "copy") (ex-copy nil)) | |
| 1075 | ((string= ex-token "cd") (ex-cd)) | |
| 3af0304a | 1076 | ((string= ex-token "customize") (customize-group "viper")) |
| 52fa07ba MK |
1077 | ((string= ex-token "chdir") (ex-cd)) |
| 1078 | ((string= ex-token "delete") (ex-delete)) | |
| 1079 | ((string= ex-token "edit") (ex-edit)) | |
| 8626cfa2 | 1080 | ((string= ex-token "file") (viper-info-on-file)) |
| 52fa07ba MK |
1081 | ((string= ex-token "goto") (ex-goto)) |
| 1082 | ((string= ex-token "help") (ex-help)) | |
| 1083 | ((string= ex-token "join") (ex-line "join")) | |
| 1084 | ((string= ex-token "kmark") (ex-mark)) | |
| 1085 | ((string= ex-token "mark") (ex-mark)) | |
| 1086 | ((string= ex-token "map") (ex-map)) | |
| 1087 | ((string= ex-token "move") (ex-copy t)) | |
| 1088 | ((string= ex-token "next") (ex-next ex-cycle-other-window)) | |
| 1089 | ((string= ex-token "Next") (ex-next (not ex-cycle-other-window))) | |
| 1090 | ((string= ex-token "RelatedFile") (ex-next-related-buffer 1)) | |
| 1091 | ((string= ex-token "put") (ex-put)) | |
| 1092 | ((string= ex-token "pwd") (ex-pwd)) | |
| 1093 | ((string= ex-token "preserve") (ex-preserve)) | |
| 1094 | ((string= ex-token "PreviousRelatedFile") (ex-next-related-buffer -1)) | |
| 1095 | ((string= ex-token "quit") (ex-quit)) | |
| 1096 | ((string= ex-token "read") (ex-read)) | |
| 1097 | ((string= ex-token "recover") (ex-recover)) | |
| 1098 | ((string= ex-token "rewind") (ex-rewind)) | |
| 8626cfa2 | 1099 | ((string= ex-token "submitReport") (viper-submit-report)) |
| 52fa07ba MK |
1100 | ((string= ex-token "set") (ex-set)) |
| 1101 | ((string= ex-token "shell") (ex-shell)) | |
| 1102 | ((string= ex-token "source") (ex-source)) | |
| 1103 | ((string= ex-token "sr") (ex-substitute t t)) | |
| 1104 | ((string= ex-token "substitute") (ex-substitute)) | |
| 1105 | ((string= ex-token "suspend") (suspend-emacs)) | |
| 1106 | ((string= ex-token "stop") (suspend-emacs)) | |
| 1107 | ((string= ex-token "transfer") (ex-copy nil)) | |
| 1108 | ((string= ex-token "buffer") (if ex-cycle-other-window | |
| 8626cfa2 MK |
1109 | (viper-switch-to-buffer-other-window) |
| 1110 | (viper-switch-to-buffer))) | |
| 52fa07ba | 1111 | ((string= ex-token "Buffer") (if ex-cycle-other-window |
| 8626cfa2 MK |
1112 | (viper-switch-to-buffer) |
| 1113 | (viper-switch-to-buffer-other-window))) | |
| 52fa07ba | 1114 | ((string= ex-token "tag") (ex-tag)) |
| 8626cfa2 | 1115 | ((string= ex-token "undo") (viper-undo)) |
| 52fa07ba | 1116 | ((string= ex-token "unmap") (ex-unmap)) |
| 8626cfa2 | 1117 | ((string= ex-token "version") (viper-version)) |
| 52fa07ba MK |
1118 | ((string= ex-token "visual") (ex-edit)) |
| 1119 | ((string= ex-token "write") (ex-write nil)) | |
| 1120 | ((string= ex-token "Write") (save-some-buffers)) | |
| 1121 | ((string= ex-token "wq") (ex-write t)) | |
| 1122 | ((string= ex-token "WWrite") (save-some-buffers t)) ; don't ask | |
| 1123 | ((string= ex-token "xit") (ex-write t)) | |
| 1124 | ((string= ex-token "yank") (ex-yank)) | |
| 1125 | ((string= ex-token "!") (ex-command)) | |
| 1126 | ((string= ex-token "=") (ex-line-no)) | |
| 1127 | ((string= ex-token ">") (ex-line "right")) | |
| 1128 | ((string= ex-token "<") (ex-line "left")) | |
| 1129 | ((string= ex-token "&") (ex-substitute t)) | |
| 1130 | ((string= ex-token "~") (ex-substitute t t)) | |
| 1131 | ((or (string= ex-token "append") | |
| 1132 | (string= ex-token "change") | |
| 1133 | (string= ex-token "insert") | |
| 1134 | (string= ex-token "open")) | |
| 1135 | (error "`%s': Obsolete command, not supported by Viper" ex-token)) | |
| 1136 | ((or (string= ex-token "abbreviate") | |
| 1137 | (string= ex-token "unabbreviate")) | |
| 1138 | (error | |
| 3af0304a | 1139 | "`%s': Vi abbrevs are obsolete. Use the more powerful Emacs abbrevs" |
| 52fa07ba MK |
1140 | ex-token)) |
| 1141 | ((or (string= ex-token "list") | |
| 1142 | (string= ex-token "print") | |
| 1143 | (string= ex-token "z") | |
| 1144 | (string= ex-token "#")) | |
| 1145 | (error "`%s': Command not implemented in Viper" ex-token)) | |
| 8626cfa2 | 1146 | (t (error "`%s': %s" ex-token viper-BadExCommand)))) |
| 52fa07ba | 1147 | |
| 8626cfa2 | 1148 | (defun viper-undisplayed-files () |
| 52fa07ba | 1149 | (mapcar |
| 3af0304a MK |
1150 | (lambda (b) |
| 1151 | (if (null (get-buffer-window b)) | |
| 1152 | (let ((f (buffer-file-name b))) | |
| 1153 | (if f f | |
| 1154 | (if ex-cycle-through-non-files | |
| 1155 | (let ((s (buffer-name b))) | |
| 1156 | (if (string= " " (substring s 0 1)) | |
| 1157 | nil | |
| 1158 | s)) | |
| 1159 | nil))) | |
| 1160 | nil)) | |
| 52fa07ba MK |
1161 | (buffer-list))) |
| 1162 | ||
| 1163 | ||
| 1164 | (defun ex-args () | |
| 8626cfa2 | 1165 | (let ((l (viper-undisplayed-files)) |
| 52fa07ba MK |
1166 | (args "") |
| 1167 | (file-count 1)) | |
| 1168 | (while (not (null l)) | |
| 1169 | (if (car l) | |
| 1170 | (setq args (format "%s %d) %s\n" args file-count (car l)) | |
| 1171 | file-count (1+ file-count))) | |
| 1172 | (setq l (cdr l))) | |
| 1173 | (if (string= args "") | |
| 1174 | (message "All files are already displayed") | |
| 1175 | (save-excursion | |
| 1176 | (save-window-excursion | |
| 8626cfa2 | 1177 | (with-output-to-temp-buffer " *viper-info*" |
| 52fa07ba MK |
1178 | (princ "\n\nThese files are not displayed in any window.\n") |
| 1179 | (princ "\n=============\n") | |
| 1180 | (princ args) | |
| 1181 | (princ "\n=============\n") | |
| 1182 | (princ "\nThe numbers can be given as counts to :next. ") | |
| 1183 | (princ "\n\nPress any key to continue...\n\n")) | |
| 8626cfa2 | 1184 | (viper-read-event)))))) |
| 52fa07ba | 1185 | |
| 3af0304a | 1186 | ;; Ex cd command. Default directory of this buffer changes |
| 52fa07ba | 1187 | (defun ex-cd () |
| 8626cfa2 | 1188 | (viper-get-ex-file) |
| 52fa07ba MK |
1189 | (if (string= ex-file "") |
| 1190 | (setq ex-file "~")) | |
| 1191 | (setq default-directory (file-name-as-directory (expand-file-name ex-file)))) | |
| 1192 | ||
| 1193 | ;; Ex copy and move command. DEL-FLAG means delete | |
| 1194 | (defun ex-copy (del-flag) | |
| 8626cfa2 MK |
1195 | (viper-default-ex-addresses) |
| 1196 | (let ((address (viper-get-ex-address)) | |
| 52fa07ba MK |
1197 | (end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 1198 | (goto-char end) | |
| 1199 | (save-excursion | |
| 1200 | (push-mark beg t) | |
| 8626cfa2 | 1201 | (viper-enlarge-region (mark t) (point)) |
| 52fa07ba MK |
1202 | (if del-flag |
| 1203 | (kill-region (point) (mark t)) | |
| 1204 | (copy-region-as-kill (point) (mark t))) | |
| 1205 | (if ex-flag | |
| 1206 | (progn | |
| 8e41a31c | 1207 | (with-output-to-temp-buffer " *copy text*" |
| 52fa07ba MK |
1208 | (princ |
| 1209 | (if (or del-flag ex-g-flag ex-g-variant) | |
| 1210 | (current-kill 0) | |
| 1211 | (buffer-substring (point) (mark t))))) | |
| 1212 | (condition-case nil | |
| 1213 | (progn | |
| 8e41a31c MK |
1214 | (read-string "[Hit return to confirm] ") |
| 1215 | (save-excursion (kill-buffer " *copy text*"))) | |
| 1216 | (quit (save-excursion (kill-buffer " *copy text*")) | |
| 52fa07ba MK |
1217 | (signal 'quit nil)))))) |
| 1218 | (if (= address 0) | |
| 1219 | (goto-char (point-min)) | |
| 1220 | (goto-char address) | |
| 1221 | (forward-line 1)) | |
| 1222 | (insert (current-kill 0)))) | |
| 1223 | ||
| 1224 | ;; Ex delete command | |
| 1225 | (defun ex-delete () | |
| 8626cfa2 MK |
1226 | (viper-default-ex-addresses) |
| 1227 | (viper-get-ex-buffer) | |
| 52fa07ba | 1228 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 8626cfa2 | 1229 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1230 | (save-excursion |
| 8626cfa2 | 1231 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1232 | (exchange-point-and-mark) |
| 1233 | (if ex-count | |
| 1234 | (progn | |
| 1235 | (set-mark (point)) | |
| 1236 | (forward-line (1- ex-count))) | |
| 1237 | (set-mark end)) | |
| 8626cfa2 | 1238 | (viper-enlarge-region (point) (mark t)) |
| 52fa07ba MK |
1239 | (if ex-flag |
| 1240 | ;; show text to be deleted and ask for confirmation | |
| 1241 | (progn | |
| 1242 | (with-output-to-temp-buffer " *delete text*" | |
| 1243 | (princ (buffer-substring (point) (mark t)))) | |
| 1244 | (condition-case nil | |
| 8e41a31c | 1245 | (read-string "[Hit return to confirm] ") |
| 52fa07ba MK |
1246 | (quit |
| 1247 | (save-excursion (kill-buffer " *delete text*")) | |
| 1248 | (error ""))) | |
| 1249 | (save-excursion (kill-buffer " *delete text*"))) | |
| 1250 | (if ex-buffer | |
| 8626cfa2 MK |
1251 | (cond ((viper-valid-register ex-buffer '(Letter)) |
| 1252 | (viper-append-to-register | |
| 52fa07ba | 1253 | (downcase ex-buffer) (point) (mark t))) |
| 8626cfa2 | 1254 | ((viper-valid-register ex-buffer) |
| 52fa07ba | 1255 | (copy-to-register ex-buffer (point) (mark t) nil)) |
| 8626cfa2 | 1256 | (t (error viper-InvalidRegister ex-buffer)))) |
| 52fa07ba MK |
1257 | (kill-region (point) (mark t)))))) |
| 1258 | ||
| 1259 | ||
| 1260 | ||
| 1261 | ;; Ex edit command | |
| 3af0304a | 1262 | ;; In Viper, `e' and `e!' behave identically. In both cases, the user is |
| 52fa07ba | 1263 | ;; asked if current buffer should really be discarded. |
| 3af0304a | 1264 | ;; This command can take multiple file names. It replaces the current buffer |
| 52fa07ba MK |
1265 | ;; with the first file in its argument list |
| 1266 | (defun ex-edit (&optional file) | |
| 1267 | (if (not file) | |
| 8626cfa2 | 1268 | (viper-get-ex-file)) |
| 52fa07ba | 1269 | (cond ((and (string= ex-file "") buffer-file-name) |
| 8626cfa2 | 1270 | (setq ex-file (viper-abbreviate-file-name (buffer-file-name)))) |
| 52fa07ba | 1271 | ((string= ex-file "") |
| 8626cfa2 | 1272 | (error viper-NoFileSpecified))) |
| 52fa07ba | 1273 | |
| 2eb4bdca MK |
1274 | ;;; (let (msg do-edit) |
| 1275 | ;;; (if buffer-file-name | |
| 1276 | ;;; (cond ((buffer-modified-p) | |
| 1277 | ;;; (setq msg | |
| 3af0304a | 1278 | ;;; (format "Buffer %s is modified. Discard changes? " |
| 2eb4bdca MK |
1279 | ;;; (buffer-name)) |
| 1280 | ;;; do-edit t)) | |
| 1281 | ;;; ((not (verify-visited-file-modtime (current-buffer))) | |
| 1282 | ;;; (setq msg | |
| 1283 | ;;; (format "File %s changed on disk. Reread from disk? " | |
| 1284 | ;;; buffer-file-name) | |
| 1285 | ;;; do-edit t)) | |
| 1286 | ;;; (t (setq do-edit nil)))) | |
| 1287 | ;;; | |
| 1288 | ;;; (if do-edit | |
| 1289 | ;;; (if (yes-or-no-p msg) | |
| 1290 | ;;; (progn | |
| 1291 | ;;; (set-buffer-modified-p nil) | |
| 1292 | ;;; (kill-buffer (current-buffer))) | |
| 1293 | ;;; (message "Buffer %s was left intact" (buffer-name)))) | |
| 1294 | ;;; ) ; let | |
| 52fa07ba MK |
1295 | |
| 1296 | (if (null (setq file (get-file-buffer ex-file))) | |
| 1297 | (progn | |
| 3af0304a MK |
1298 | ;; this also does shell-style globbing |
| 1299 | (ex-find-file | |
| 1300 | ;; replace # and % with the previous/current file | |
| 1301 | (ex-expand-filsyms ex-file (current-buffer))) | |
| ab124470 | 1302 | (or (eq major-mode 'dired-mode) |
| 8626cfa2 | 1303 | (viper-change-state-to-vi)) |
| 52fa07ba MK |
1304 | (goto-char (point-min))) |
| 1305 | (switch-to-buffer file)) | |
| 1306 | (if ex-offset | |
| 1307 | (progn | |
| 1308 | (save-window-excursion | |
| 8626cfa2 MK |
1309 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 1310 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
1311 | (delete-region (point-min) (point-max)) |
| 1312 | (insert ex-offset "\n") | |
| 1313 | (goto-char (point-min))) | |
| 8626cfa2 | 1314 | (goto-char (viper-get-ex-address)) |
| 52fa07ba | 1315 | (beginning-of-line))) |
| 8626cfa2 | 1316 | (ex-fixup-history viper-last-ex-prompt ex-file)) |
| 52fa07ba | 1317 | |
| ab124470 | 1318 | ;; Find-file FILESPEC if it appears to specify a single file. |
| 2eb4bdca | 1319 | ;; Otherwise, assume that FILESPEC is a wildcard. |
| ab124470 | 1320 | ;; In this case, split it into substrings separated by newlines. |
| 3af0304a | 1321 | ;; Each line is assumed to be a file name. |
| 52fa07ba | 1322 | (defun ex-find-file (filespec) |
| ab124470 MK |
1323 | (let ((nonstandard-filename-chars "[^-a-zA-Z0-9_./,~$\\]")) |
| 1324 | (cond ((file-exists-p filespec) (find-file filespec)) | |
| 1325 | ((string-match nonstandard-filename-chars filespec) | |
| 3af0304a | 1326 | (mapcar 'find-file (funcall viper-glob-function filespec))) |
| ab124470 | 1327 | (t (find-file filespec))) |
| 52fa07ba | 1328 | )) |
| bbe6126c | 1329 | |
| 6c2e12f4 | 1330 | |
| 52fa07ba | 1331 | ;; Ex global command |
| 1e70790f MK |
1332 | ;; This is executed in response to: |
| 1333 | ;; :global "pattern" ex-command | |
| 1334 | ;; :vglobal "pattern" ex-command | |
| 1335 | ;; :global executes ex-command on all lines matching <pattern> | |
| 1336 | ;; :vglobal executes ex-command on all lines that don't match <pattern> | |
| 1337 | ;; | |
| 1338 | ;; With VARIANT nil, this functions executes :global | |
| 1339 | ;; With VARIANT t, executes :vglobal | |
| 52fa07ba MK |
1340 | (defun ex-global (variant) |
| 1341 | (let ((gcommand ex-token)) | |
| 1342 | (if (or ex-g-flag ex-g-variant) | |
| 1343 | (error "`%s' within `global' is not allowed" gcommand) | |
| 1344 | (if variant | |
| 1345 | (setq ex-g-flag nil | |
| 1346 | ex-g-variant t) | |
| 1347 | (setq ex-g-flag t | |
| 1348 | ex-g-variant nil))) | |
| 8626cfa2 | 1349 | (viper-get-ex-pat) |
| 52fa07ba MK |
1350 | (if (null ex-token) |
| 1351 | (error "`%s': Missing regular expression" gcommand))) | |
| 1352 | ||
| 1353 | (if (string= ex-token "") | |
| 8626cfa2 MK |
1354 | (if (null viper-s-string) |
| 1355 | (error viper-NoPrevSearch) | |
| 1356 | (setq ex-g-pat viper-s-string)) | |
| 52fa07ba | 1357 | (setq ex-g-pat ex-token |
| 8626cfa2 | 1358 | viper-s-string ex-token)) |
| 52fa07ba MK |
1359 | (if (null ex-addresses) |
| 1360 | (setq ex-addresses (list (point-max) (point-min))) | |
| 8626cfa2 | 1361 | (viper-default-ex-addresses)) |
| 1e70790f MK |
1362 | (let ((marks nil) |
| 1363 | (mark-count 0) | |
| 1364 | (end (car ex-addresses)) | |
| 1365 | (beg (car (cdr ex-addresses))) | |
| 1366 | com-str) | |
| 8626cfa2 | 1367 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1368 | (save-excursion |
| 8626cfa2 | 1369 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1370 | (exchange-point-and-mark) |
| 1371 | (let ((cont t) (limit (point-marker))) | |
| 1372 | (exchange-point-and-mark) | |
| 1373 | ;; skip the last line if empty | |
| 1374 | (beginning-of-line) | |
| 8626cfa2 | 1375 | (if (eobp) (viper-backward-char-carefully)) |
| 52fa07ba MK |
1376 | (while (and cont (not (bobp)) (>= (point) limit)) |
| 1377 | (beginning-of-line) | |
| 1378 | (set-mark (point)) | |
| 1379 | (end-of-line) | |
| 1380 | (let ((found (re-search-backward ex-g-pat (mark t) t))) | |
| 1381 | (if (or (and ex-g-flag found) | |
| 1382 | (and ex-g-variant (not found))) | |
| 1383 | (progn | |
| 1384 | (end-of-line) | |
| 1385 | (setq mark-count (1+ mark-count)) | |
| 1386 | (setq marks (cons (point-marker) marks))))) | |
| 1387 | (beginning-of-line) | |
| 1388 | (if (bobp) (setq cont nil) | |
| 1389 | (forward-line -1) | |
| 1390 | (end-of-line))))) | |
| 1391 | (save-window-excursion | |
| 8626cfa2 MK |
1392 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 1393 | (set-buffer viper-ex-work-buf) | |
| 3af0304a | 1394 | ;; com-str is the command string, i.e., g/pattern/ or v/pattern' |
| 52fa07ba MK |
1395 | (setq com-str (buffer-substring (1+ (point)) (1- (point-max))))) |
| 1396 | (while marks | |
| 1397 | (goto-char (car marks)) | |
| 3af0304a | 1398 | (viper-ex nil com-str) |
| 52fa07ba MK |
1399 | (setq mark-count (1- mark-count)) |
| 1400 | (setq marks (cdr marks))))) | |
| 1401 | ||
| 1402 | ;; Ex goto command | |
| 1403 | (defun ex-goto () | |
| 1404 | (if (null ex-addresses) | |
| 1405 | (setq ex-addresses (cons (point) nil))) | |
| 1406 | (push-mark (point) t) | |
| 1407 | (goto-char (car ex-addresses)) | |
| 3af0304a MK |
1408 | (beginning-of-line) |
| 1409 | ) | |
| 52fa07ba MK |
1410 | |
| 1411 | ;; Ex line commands. COM is join, shift-right or shift-left | |
| 1412 | (defun ex-line (com) | |
| 8626cfa2 MK |
1413 | (viper-default-ex-addresses) |
| 1414 | (viper-get-ex-count) | |
| 52fa07ba | 1415 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))) point) |
| 8626cfa2 | 1416 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 1417 | (save-excursion |
| 8626cfa2 | 1418 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1419 | (exchange-point-and-mark) |
| 1420 | (if ex-count | |
| 1421 | (progn | |
| 1422 | (set-mark (point)) | |
| 1423 | (forward-line ex-count))) | |
| 1424 | (if ex-flag | |
| 1425 | ;; show text to be joined and ask for confirmation | |
| 1426 | (progn | |
| 8e41a31c | 1427 | (with-output-to-temp-buffer " *join text*" |
| 52fa07ba MK |
1428 | (princ (buffer-substring (point) (mark t)))) |
| 1429 | (condition-case nil | |
| 1430 | (progn | |
| 8e41a31c | 1431 | (read-string "[Hit return to confirm] ") |
| 52fa07ba MK |
1432 | (ex-line-subr com (point) (mark t))) |
| 1433 | (quit (ding))) | |
| 8e41a31c | 1434 | (save-excursion (kill-buffer " *join text*"))) |
| 52fa07ba MK |
1435 | (ex-line-subr com (point) (mark t))) |
| 1436 | (setq point (point))) | |
| 1437 | (goto-char (1- point)) | |
| 1438 | (beginning-of-line))) | |
| 1439 | ||
| 1440 | (defun ex-line-subr (com beg end) | |
| 1441 | (cond ((string= com "join") | |
| 1442 | (goto-char (min beg end)) | |
| 1443 | (while (and (not (eobp)) (< (point) (max beg end))) | |
| 1444 | (end-of-line) | |
| 1445 | (if (and (<= (point) (max beg end)) (not (eobp))) | |
| 1446 | (progn | |
| 1447 | (forward-line 1) | |
| 1448 | (delete-region (point) (1- (point))) | |
| 1449 | (if (not ex-variant) (fixup-whitespace)))))) | |
| 1450 | ((or (string= com "right") (string= com "left")) | |
| 1451 | (indent-rigidly | |
| 1452 | (min beg end) (max beg end) | |
| 8626cfa2 | 1453 | (if (string= com "right") viper-shift-width (- viper-shift-width))) |
| 52fa07ba MK |
1454 | (goto-char (max beg end)) |
| 1455 | (end-of-line) | |
| 8626cfa2 | 1456 | (viper-forward-char-carefully)))) |
| 52fa07ba MK |
1457 | |
| 1458 | ||
| 1459 | ;; Ex mark command | |
| 1460 | (defun ex-mark () | |
| 1461 | (let (char) | |
| 1462 | (if (null ex-addresses) | |
| 1463 | (setq ex-addresses | |
| 1464 | (cons (point) nil))) | |
| 1465 | (save-window-excursion | |
| 8626cfa2 MK |
1466 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 1467 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
1468 | (skip-chars-forward " \t") |
| 1469 | (if (looking-at "[a-z]") | |
| 1470 | (progn | |
| 1471 | (setq char (following-char)) | |
| 1472 | (forward-char 1) | |
| 1473 | (skip-chars-forward " \t") | |
| 1474 | (if (not (looking-at "[\n|]")) | |
| 8626cfa2 | 1475 | (error "`%s': %s" ex-token viper-SpuriousText))) |
| 52fa07ba MK |
1476 | (error "`%s' requires a following letter" ex-token))) |
| 1477 | (save-excursion | |
| 1478 | (goto-char (car ex-addresses)) | |
| 1479 | (point-to-register (1+ (- char ?a)))))) | |
| 6c2e12f4 | 1480 | |
| 52fa07ba MK |
1481 | |
| 1482 | ||
| 1483 | ;; Alternate file is the file next to the first one in the buffer ring | |
| 1484 | (defun ex-next (cycle-other-window &optional find-alt-file) | |
| 1485 | (catch 'ex-edit | |
| 1486 | (let (count l) | |
| 1487 | (if (not find-alt-file) | |
| bbe6126c | 1488 | (progn |
| 8626cfa2 | 1489 | (viper-get-ex-file) |
| 52fa07ba MK |
1490 | (if (or (char-or-string-p ex-offset) |
| 1491 | (and (not (string= "" ex-file)) | |
| 1492 | (not (string-match "^[0-9]+$" ex-file)))) | |
| bbe6126c | 1493 | (progn |
| 52fa07ba MK |
1494 | (ex-edit t) |
| 1495 | (throw 'ex-edit nil)) | |
| 1496 | (setq count (string-to-int ex-file)) | |
| 1497 | (if (= count 0) (setq count 1)) | |
| 1498 | (if (< count 0) (error "Usage: `next <count>' (count >= 0)")))) | |
| 1499 | (setq count 1)) | |
| 8626cfa2 | 1500 | (setq l (viper-undisplayed-files)) |
| 52fa07ba MK |
1501 | (while (> count 0) |
| 1502 | (while (and (not (null l)) (null (car l))) | |
| 1503 | (setq l (cdr l))) | |
| 1504 | (setq count (1- count)) | |
| 1505 | (if (> count 0) | |
| 1506 | (setq l (cdr l)))) | |
| 1507 | (if find-alt-file (car l) | |
| 1508 | (progn | |
| 1509 | (if (and (car l) (get-file-buffer (car l))) | |
| 1510 | (let* ((w (if cycle-other-window | |
| 1511 | (get-lru-window) (selected-window))) | |
| 1512 | (b (window-buffer w))) | |
| 1513 | (set-window-buffer w (get-file-buffer (car l))) | |
| 1514 | (bury-buffer b) | |
| 1515 | ;; this puts "next <count>" in the ex-command history | |
| 8626cfa2 | 1516 | (ex-fixup-history viper-last-ex-prompt ex-file)) |
| 52fa07ba MK |
1517 | (error "Not that many undisplayed files"))))))) |
| 1518 | ||
| 1519 | ||
| 1520 | (defun ex-next-related-buffer (direction &optional no-recursion) | |
| 1521 | ||
| 8626cfa2 | 1522 | (viper-ring-rotate1 viper-related-files-and-buffers-ring direction) |
| 52fa07ba MK |
1523 | |
| 1524 | (let ((file-or-buffer-name | |
| 8626cfa2 MK |
1525 | (viper-current-ring-item viper-related-files-and-buffers-ring)) |
| 1526 | (old-ring viper-related-files-and-buffers-ring) | |
| 52fa07ba MK |
1527 | (old-win (selected-window)) |
| 1528 | skip-rest buf wind) | |
| 1529 | ||
| 8626cfa2 MK |
1530 | (or (and (ring-p viper-related-files-and-buffers-ring) |
| 1531 | (> (ring-length viper-related-files-and-buffers-ring) 0)) | |
| 52fa07ba MK |
1532 | (error "This buffer has no related files or buffers")) |
| 1533 | ||
| 1534 | (or (stringp file-or-buffer-name) | |
| 1535 | (error | |
| 1536 | "File and buffer names must be strings, %S" file-or-buffer-name)) | |
| 1537 | ||
| 1538 | (setq buf (cond ((get-buffer file-or-buffer-name)) | |
| 1539 | ((file-exists-p file-or-buffer-name) | |
| 1540 | (find-file-noselect file-or-buffer-name)) | |
| 1541 | )) | |
| 1542 | ||
| 8626cfa2 | 1543 | (if (not (viper-buffer-live-p buf)) |
| 52fa07ba MK |
1544 | (error "Didn't find buffer %S or file %S" |
| 1545 | file-or-buffer-name | |
| 8626cfa2 | 1546 | (viper-abbreviate-file-name |
| 52fa07ba MK |
1547 | (expand-file-name file-or-buffer-name)))) |
| 1548 | ||
| 1549 | (if (equal buf (current-buffer)) | |
| 1550 | (or no-recursion | |
| 1551 | ;; try again | |
| 1552 | (progn | |
| 1553 | (setq skip-rest t) | |
| 1554 | (ex-next-related-buffer direction 'norecursion)))) | |
| 1555 | ||
| 1556 | (if skip-rest | |
| 1557 | () | |
| 1558 | ;; setup buffer | |
| 8626cfa2 | 1559 | (if (setq wind (viper-get-visible-buffer-window buf)) |
| 52fa07ba | 1560 | () |
| 8626cfa2 | 1561 | (setq wind (get-lru-window (if viper-xemacs-p nil 'visible))) |
| 52fa07ba | 1562 | (set-window-buffer wind buf)) |
| bbe6126c | 1563 | |
| 8626cfa2 | 1564 | (if (viper-window-display-p) |
| 52fa07ba MK |
1565 | (progn |
| 1566 | (raise-frame (window-frame wind)) | |
| 1567 | (if (equal (window-frame wind) (window-frame old-win)) | |
| 1568 | (save-window-excursion (select-window wind) (sit-for 1)) | |
| 1569 | (select-window wind))) | |
| 1570 | (save-window-excursion (select-window wind) (sit-for 1))) | |
| 1571 | ||
| 1572 | (save-excursion | |
| 1573 | (set-buffer buf) | |
| 8626cfa2 | 1574 | (setq viper-related-files-and-buffers-ring old-ring)) |
| bbe6126c | 1575 | |
| 8626cfa2 | 1576 | (setq viper-local-search-start-marker (point-marker)) |
| 52fa07ba | 1577 | ))) |
| bbe6126c | 1578 | |
| 52fa07ba MK |
1579 | |
| 1580 | ;; Force auto save | |
| 1581 | (defun ex-preserve () | |
| 1582 | (message "Autosaving all buffers that need to be saved...") | |
| 1583 | (do-auto-save t)) | |
| 1584 | ||
| 1585 | ;; Ex put | |
| 1586 | (defun ex-put () | |
| 1587 | (let ((point (if (null ex-addresses) (point) (car ex-addresses)))) | |
| 8626cfa2 MK |
1588 | (viper-get-ex-buffer) |
| 1589 | (setq viper-use-register ex-buffer) | |
| 52fa07ba | 1590 | (goto-char point) |
| 8626cfa2 | 1591 | (if (bobp) (viper-Put-back 1) (viper-put-back 1)))) |
| 52fa07ba MK |
1592 | |
| 1593 | ;; Ex print working directory | |
| 1594 | (defun ex-pwd () | |
| 1595 | (message default-directory)) | |
| 1596 | ||
| 1597 | ;; Ex quit command | |
| 1598 | (defun ex-quit () | |
| 3af0304a | 1599 | ;; skip "!", if it is q!. In Viper q!, w!, etc., behave as q, w, etc. |
| 52fa07ba | 1600 | (save-excursion |
| 8626cfa2 MK |
1601 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 1602 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba | 1603 | (if (looking-at "!") (forward-char 1))) |
| 1e70790f | 1604 | (if (< viper-expert-level 3) |
| 52fa07ba MK |
1605 | (save-buffers-kill-emacs) |
| 1606 | (kill-buffer (current-buffer)))) | |
| 6c2e12f4 | 1607 | |
| 6c2e12f4 | 1608 | |
| 52fa07ba | 1609 | ;; Ex read command |
| 3af0304a MK |
1610 | ;; ex-read doesn't support wildcards, because file completion is a better |
| 1611 | ;; mechanism. We also don't support # and % (except in :r <shell-command> | |
| 1612 | ;; because file history is a better mechanism. | |
| 52fa07ba | 1613 | (defun ex-read () |
| 8626cfa2 | 1614 | (viper-get-ex-file) |
| 52fa07ba MK |
1615 | (let ((point (if (null ex-addresses) (point) (car ex-addresses))) |
| 1616 | command) | |
| 1617 | (goto-char point) | |
| 8626cfa2 | 1618 | (viper-add-newline-at-eob-if-necessary) |
| 52fa07ba MK |
1619 | (if (not (or (bobp) (eobp))) (forward-line 1)) |
| 1620 | (if (and (not ex-variant) (string= ex-file "")) | |
| 1621 | (progn | |
| 1622 | (if (null buffer-file-name) | |
| 8626cfa2 | 1623 | (error viper-NoFileSpecified)) |
| 52fa07ba MK |
1624 | (setq ex-file buffer-file-name))) |
| 1625 | (if ex-cmdfile | |
| 1626 | (progn | |
| 328b4b70 | 1627 | (setq command |
| 3af0304a MK |
1628 | ;; replace # and % with the previous/current file |
| 1629 | (ex-expand-filsyms (concat ex-file ex-cmdfile-args) | |
| 1630 | (current-buffer))) | |
| 52fa07ba MK |
1631 | (shell-command command t)) |
| 1632 | (insert-file-contents ex-file))) | |
| 328b4b70 | 1633 | (ex-fixup-history viper-last-ex-prompt ex-file ex-cmdfile-args)) |
| 52fa07ba MK |
1634 | |
| 1635 | ;; this function fixes ex-history for some commands like ex-read, ex-edit | |
| 1636 | (defun ex-fixup-history (&rest args) | |
| 8626cfa2 MK |
1637 | (setq viper-ex-history |
| 1638 | (cons (mapconcat 'identity args " ") (cdr viper-ex-history)))) | |
| 52fa07ba MK |
1639 | |
| 1640 | ||
| 1641 | ;; Ex recover from emacs \#file\# | |
| 1642 | (defun ex-recover () | |
| 8626cfa2 | 1643 | (viper-get-ex-file) |
| 52fa07ba | 1644 | (if (or ex-append ex-offset) |
| 8626cfa2 | 1645 | (error "`recover': %s" viper-SpuriousText)) |
| 52fa07ba MK |
1646 | (if (string= ex-file "") |
| 1647 | (progn | |
| 1648 | (if (null buffer-file-name) | |
| 1649 | (error "This buffer isn't visiting any file")) | |
| 1650 | (setq ex-file buffer-file-name)) | |
| 1651 | (setq ex-file (expand-file-name ex-file))) | |
| 1652 | (if (and (not (string= ex-file (buffer-file-name))) | |
| 1653 | (buffer-modified-p) | |
| 1654 | (not ex-variant)) | |
| 1655 | (error "No write since last change \(:rec! overrides\)")) | |
| 1656 | (recover-file ex-file)) | |
| 1657 | ||
| 1658 | ;; Tell that `rewind' is obsolete and to use `:next count' instead | |
| 1659 | (defun ex-rewind () | |
| 1660 | (message | |
| 3af0304a | 1661 | "Use `:n <count>' instead. Counts are obtained from the `:args' command")) |
| 52fa07ba MK |
1662 | |
| 1663 | ||
| 1664 | ;; read variable name for ex-set | |
| 1665 | (defun ex-set-read-variable () | |
| 1666 | (let ((minibuffer-local-completion-map | |
| 1667 | (copy-keymap minibuffer-local-completion-map)) | |
| 1668 | (cursor-in-echo-area t) | |
| 1669 | str batch) | |
| 1670 | (define-key | |
| 1671 | minibuffer-local-completion-map " " 'minibuffer-complete-and-exit) | |
| 1672 | (define-key minibuffer-local-completion-map "=" 'exit-minibuffer) | |
| 8626cfa2 | 1673 | (if (viper-set-unread-command-events |
| 52fa07ba MK |
1674 | (ex-get-inline-cmd-args "[ \t]*[a-zA-Z]*[ \t]*" nil "\C-m")) |
| 1675 | (progn | |
| 1676 | (setq batch t) | |
| 8626cfa2 | 1677 | (viper-set-unread-command-events ?\C-m))) |
| 52fa07ba MK |
1678 | (message ":set <Variable> [= <Value>]") |
| 1679 | (or batch (sit-for 2)) | |
| 1680 | ||
| 1681 | (while (string-match "^[ \\t\\n]*$" | |
| 1682 | (setq str | |
| 1683 | (completing-read ":set " ex-variable-alist))) | |
| e36a387d | 1684 | (message ":set <Variable> [= <Value>]") |
| 52fa07ba | 1685 | ;; if there are unread events, don't wait |
| 8626cfa2 | 1686 | (or (viper-set-unread-command-events "") (sit-for 2)) |
| 52fa07ba MK |
1687 | ) ; while |
| 1688 | str)) | |
| 1689 | ||
| 1690 | ||
| 1691 | (defun ex-set () | |
| 1692 | (let ((var (ex-set-read-variable)) | |
| 1693 | (val 0) | |
| 1694 | (set-cmd "setq") | |
| 1695 | (ask-if-save t) | |
| 1696 | (auto-cmd-label "; don't touch or else...") | |
| 1697 | (delete-turn-on-auto-fill-pattern | |
| 2eb4bdca | 1698 | "([ \t]*add-hook[ \t]+'viper-insert-state-hook[ \t]+'turn-on-auto-fill.*)") |
| 52fa07ba MK |
1699 | actual-lisp-cmd lisp-cmd-del-pattern |
| 1700 | val2 orig-var) | |
| 1701 | (setq orig-var var) | |
| e36a387d MK |
1702 | (cond ((string= var "all") |
| 1703 | (setq ask-if-save nil | |
| 1704 | set-cmd nil)) | |
| 1705 | ((member var '("ai" "autoindent")) | |
| 8626cfa2 | 1706 | (setq var "viper-auto-indent" |
| 52fa07ba MK |
1707 | set-cmd "setq" |
| 1708 | ask-if-save nil | |
| 1709 | val "t")) | |
| e36a387d | 1710 | ((member var '("ai-g" "autoindent-global")) |
| 8626cfa2 MK |
1711 | (kill-local-variable 'viper-auto-indent) |
| 1712 | (setq var "viper-auto-indent" | |
| 52fa07ba MK |
1713 | set-cmd "setq-default" |
| 1714 | val "t")) | |
| 1715 | ((member var '("noai" "noautoindent")) | |
| 8626cfa2 | 1716 | (setq var "viper-auto-indent" |
| 52fa07ba MK |
1717 | ask-if-save nil |
| 1718 | val "nil")) | |
| e36a387d | 1719 | ((member var '("noai-g" "noautoindent-global")) |
| 8626cfa2 MK |
1720 | (kill-local-variable 'viper-auto-indent) |
| 1721 | (setq var "viper-auto-indent" | |
| 52fa07ba MK |
1722 | set-cmd "setq-default" |
| 1723 | val "nil")) | |
| 1724 | ((member var '("ic" "ignorecase")) | |
| 8626cfa2 | 1725 | (setq var "viper-case-fold-search" |
| 52fa07ba MK |
1726 | val "t")) |
| 1727 | ((member var '("noic" "noignorecase")) | |
| 8626cfa2 | 1728 | (setq var "viper-case-fold-search" |
| 52fa07ba MK |
1729 | val "nil")) |
| 1730 | ((member var '("ma" "magic")) | |
| 8626cfa2 | 1731 | (setq var "viper-re-search" |
| 52fa07ba | 1732 | val "t")) |
| e36a387d | 1733 | ((member var '("noma" "nomagic")) |
| 8626cfa2 | 1734 | (setq var "viper-re-search" |
| 52fa07ba MK |
1735 | val "nil")) |
| 1736 | ((member var '("ro" "readonly")) | |
| 1737 | (setq var "buffer-read-only" | |
| 1738 | val "t")) | |
| 1739 | ((member var '("noro" "noreadonly")) | |
| 1740 | (setq var "buffer-read-only" | |
| 1741 | val "nil")) | |
| 1742 | ((member var '("sm" "showmatch")) | |
| 1743 | (setq var "blink-matching-paren" | |
| 1744 | val "t")) | |
| 1745 | ((member var '("nosm" "noshowmatch")) | |
| 1746 | (setq var "blink-matching-paren" | |
| 1747 | val "nil")) | |
| 1748 | ((member var '("ws" "wrapscan")) | |
| 8626cfa2 | 1749 | (setq var "viper-search-wrap-around-t" |
| 52fa07ba MK |
1750 | val "t")) |
| 1751 | ((member var '("nows" "nowrapscan")) | |
| 8626cfa2 | 1752 | (setq var "viper-search-wrap-around-t" |
| 52fa07ba | 1753 | val "nil"))) |
| e36a387d | 1754 | (if (and set-cmd (eq val 0)) ; value must be set by the user |
| 52fa07ba MK |
1755 | (let ((cursor-in-echo-area t)) |
| 1756 | (message ":set %s = <Value>" var) | |
| 1757 | ;; if there are unread events, don't wait | |
| 8626cfa2 | 1758 | (or (viper-set-unread-command-events "") (sit-for 2)) |
| 52fa07ba MK |
1759 | (setq val (read-string (format ":set %s = " var))) |
| 1760 | (ex-fixup-history "set" orig-var val) | |
| 1761 | ||
| 1762 | ;; check numerical values | |
| 1763 | (if (member var | |
| 1764 | '("sw" "shiftwidth" | |
| 1765 | "ts" "tabstop" | |
| e36a387d | 1766 | "ts-g" "tabstop-global" |
| 52fa07ba MK |
1767 | "wm" "wrapmargin")) |
| 1768 | (condition-case nil | |
| 1769 | (or (numberp (setq val2 (car (read-from-string val)))) | |
| 1770 | (error "%s: Invalid value, numberp, %S" var val)) | |
| 1771 | (error | |
| 1772 | (error "%s: Invalid value, numberp, %S" var val)))) | |
| 1773 | ||
| 1774 | (cond | |
| 1775 | ((member var '("sw" "shiftwidth")) | |
| 8626cfa2 | 1776 | (setq var "viper-shift-width")) |
| 52fa07ba MK |
1777 | ((member var '("ts" "tabstop")) |
| 1778 | ;; make it take effect in curr buff and new bufs | |
| 1779 | (setq var "tab-width" | |
| 1780 | set-cmd "setq" | |
| 1781 | ask-if-save nil)) | |
| e36a387d | 1782 | ((member var '("ts-g" "tabstop-global")) |
| 52fa07ba MK |
1783 | (kill-local-variable 'tab-width) |
| 1784 | (setq var "tab-width" | |
| 1785 | set-cmd "setq-default")) | |
| 1786 | ((member var '("wm" "wrapmargin")) | |
| 1787 | ;; make it take effect in curr buff and new bufs | |
| 1788 | (kill-local-variable 'fill-column) | |
| 1789 | (setq var "fill-column" | |
| 1790 | val (format "(- (window-width) %s)" val) | |
| 1791 | set-cmd "setq-default")) | |
| 1792 | ((member var '("sh" "shell")) | |
| 1793 | (setq var "explicit-shell-file-name" | |
| 1794 | val (format "\"%s\"" val))))) | |
| 1795 | (ex-fixup-history "set" orig-var)) | |
| 1796 | ||
| e36a387d MK |
1797 | (if set-cmd |
| 1798 | (setq actual-lisp-cmd | |
| 1799 | (format "\n(%s %s %s) %s" set-cmd var val auto-cmd-label) | |
| 1800 | lisp-cmd-del-pattern | |
| 1801 | (format "^\n?[ \t]*([ \t]*%s[ \t]+%s[ \t].*)[ \t]*%s" | |
| 1802 | set-cmd var auto-cmd-label))) | |
| 52fa07ba MK |
1803 | |
| 1804 | (if (and ask-if-save | |
| 1805 | (y-or-n-p (format "Do you want to save this setting in %s " | |
| 8626cfa2 | 1806 | viper-custom-file-name))) |
| 52fa07ba | 1807 | (progn |
| 8626cfa2 MK |
1808 | (viper-save-string-in-file |
| 1809 | actual-lisp-cmd viper-custom-file-name | |
| 52fa07ba MK |
1810 | ;; del pattern |
| 1811 | lisp-cmd-del-pattern) | |
| 1812 | (if (string= var "fill-column") | |
| 1813 | (if (> val2 0) | |
| 8626cfa2 | 1814 | (viper-save-string-in-file |
| 52fa07ba | 1815 | (concat |
| 2eb4bdca | 1816 | "(add-hook 'viper-insert-state-hook 'turn-on-auto-fill) " |
| 52fa07ba | 1817 | auto-cmd-label) |
| 8626cfa2 | 1818 | viper-custom-file-name |
| 52fa07ba | 1819 | delete-turn-on-auto-fill-pattern) |
| 8626cfa2 MK |
1820 | (viper-save-string-in-file |
| 1821 | nil viper-custom-file-name delete-turn-on-auto-fill-pattern) | |
| 1822 | (viper-save-string-in-file | |
| 1823 | nil viper-custom-file-name | |
| 52fa07ba MK |
1824 | ;; del pattern |
| 1825 | lisp-cmd-del-pattern) | |
| 1826 | )) | |
| 1827 | )) | |
| 1828 | ||
| e36a387d MK |
1829 | (if set-cmd |
| 1830 | (message "%s %s %s" | |
| 1831 | set-cmd var | |
| 1832 | (if (string-match "^[ \t]*$" val) | |
| 1833 | (format "%S" val) | |
| 1834 | val))) | |
| 1835 | (if actual-lisp-cmd | |
| 1836 | (eval (car (read-from-string actual-lisp-cmd)))) | |
| 1837 | (if (string= var "fill-column") | |
| 1838 | (if (> val2 0) | |
| 1839 | (auto-fill-mode 1) | |
| 1840 | (auto-fill-mode -1))) | |
| 1841 | (if (string= var "all") (ex-show-vars)) | |
| 52fa07ba | 1842 | )) |
| 6c2e12f4 | 1843 | |
| 52fa07ba MK |
1844 | ;; In inline args, skip regex-forw and (optionally) chars-back. |
| 1845 | ;; Optional 3d arg is a string that should replace ' ' to prevent its | |
| 1846 | ;; special meaning | |
| 1847 | (defun ex-get-inline-cmd-args (regex-forw &optional chars-back replace-str) | |
| 1848 | (save-excursion | |
| 8626cfa2 MK |
1849 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 1850 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
1851 | (goto-char (point-min)) |
| 1852 | (re-search-forward regex-forw nil t) | |
| 1853 | (let ((beg (point)) | |
| 1854 | end) | |
| 1855 | (goto-char (point-max)) | |
| 1856 | (if chars-back | |
| 1857 | (skip-chars-backward chars-back) | |
| 1858 | (skip-chars-backward " \t\n\C-m")) | |
| 1859 | (setq end (point)) | |
| 1860 | ;; replace SPC with `=' to suppress the special meaning SPC has | |
| 1861 | ;; in Ex commands | |
| 1862 | (goto-char beg) | |
| 1863 | (if replace-str | |
| 1864 | (while (re-search-forward " +" nil t) | |
| 1865 | (replace-match replace-str nil t) | |
| 8626cfa2 | 1866 | (viper-forward-char-carefully))) |
| 52fa07ba MK |
1867 | (goto-char end) |
| 1868 | (buffer-substring beg end)))) | |
| 1869 | ||
| 1870 | ||
| 1871 | ;; Ex shell command | |
| 1872 | (defun ex-shell () | |
| 1873 | (shell)) | |
| 1874 | ||
| 3af0304a | 1875 | ;; Viper help. Invokes Info |
| 52fa07ba MK |
1876 | (defun ex-help () |
| 1877 | (condition-case nil | |
| 1878 | (progn | |
| 1879 | (pop-to-buffer (get-buffer-create "*info*")) | |
| 8626cfa2 | 1880 | (info (if viper-xemacs-p "viper.info" "viper")) |
| 52fa07ba MK |
1881 | (message "Type `i' to search for a specific topic")) |
| 1882 | (error (beep 1) | |
| 8626cfa2 | 1883 | (with-output-to-temp-buffer " *viper-info*" |
| 52fa07ba MK |
1884 | (princ (format " |
| 1885 | The Info file for Viper does not seem to be installed. | |
| 1886 | ||
| 1887 | This file is part of the standard distribution of %sEmacs. | |
| 1888 | Please contact your system administrator. " | |
| 8626cfa2 | 1889 | (if viper-xemacs-p "X" "") |
| 52fa07ba MK |
1890 | )))))) |
| 1891 | ||
| 3af0304a | 1892 | ;; Ex source command. Loads the file specified as argument or `~/.viper' |
| 52fa07ba | 1893 | (defun ex-source () |
| 8626cfa2 | 1894 | (viper-get-ex-file) |
| 52fa07ba | 1895 | (if (string= ex-file "") |
| 8626cfa2 | 1896 | (load viper-custom-file-name) |
| 52fa07ba MK |
1897 | (load ex-file))) |
| 1898 | ||
| 1899 | ;; Ex substitute command | |
| 8626cfa2 | 1900 | ;; If REPEAT use previous regexp which is ex-reg-exp or viper-s-string |
| 52fa07ba MK |
1901 | (defun ex-substitute (&optional repeat r-flag) |
| 1902 | (let ((opt-g nil) | |
| 1903 | (opt-c nil) | |
| 1904 | (matched-pos nil) | |
| 8626cfa2 | 1905 | (case-fold-search viper-case-fold-search) |
| 52fa07ba | 1906 | delim pat repl) |
| 8626cfa2 | 1907 | (if repeat (setq ex-token nil) (setq delim (viper-get-ex-pat))) |
| 52fa07ba MK |
1908 | (if (null ex-token) |
| 1909 | (progn | |
| 8626cfa2 | 1910 | (setq pat (if r-flag viper-s-string ex-reg-exp)) |
| 52fa07ba MK |
1911 | (or (stringp pat) |
| 1912 | (error "No previous pattern to use in substitution")) | |
| 1913 | (setq repl ex-repl | |
| 1914 | delim (string-to-char pat))) | |
| 8626cfa2 MK |
1915 | (setq pat (if (string= ex-token "") viper-s-string ex-token)) |
| 1916 | (setq viper-s-string pat | |
| 52fa07ba | 1917 | ex-reg-exp pat) |
| 8626cfa2 | 1918 | (setq delim (viper-get-ex-pat)) |
| 52fa07ba MK |
1919 | (if (null ex-token) |
| 1920 | (setq ex-token "" | |
| 1921 | ex-repl "") | |
| 1922 | (setq repl ex-token | |
| 1923 | ex-repl ex-token))) | |
| 8626cfa2 | 1924 | (while (viper-get-ex-opt-gc delim) |
| 52fa07ba | 1925 | (if (string= ex-token "g") (setq opt-g t) (setq opt-c t))) |
| 8626cfa2 | 1926 | (viper-get-ex-count) |
| 52fa07ba MK |
1927 | (if ex-count |
| 1928 | (save-excursion | |
| 1929 | (if ex-addresses (goto-char (car ex-addresses))) | |
| 1930 | (set-mark (point)) | |
| 1931 | (forward-line (1- ex-count)) | |
| 1932 | (setq ex-addresses (cons (point) (cons (mark t) nil)))) | |
| 1933 | (if (null ex-addresses) | |
| 1934 | (setq ex-addresses (cons (point) (cons (point) nil))) | |
| 1935 | (if (null (cdr ex-addresses)) | |
| 1936 | (setq ex-addresses (cons (car ex-addresses) ex-addresses))))) | |
| 1937 | ;(setq G opt-g) | |
| 1938 | (let ((beg (car ex-addresses)) | |
| 1939 | (end (car (cdr ex-addresses))) | |
| 1940 | eol-mark) | |
| 1941 | (save-excursion | |
| 8626cfa2 | 1942 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
1943 | (let ((limit (save-excursion |
| 1944 | (goto-char (max (point) (mark t))) | |
| 1945 | (point-marker)))) | |
| 1946 | (goto-char (min (point) (mark t))) | |
| 1947 | (while (< (point) limit) | |
| 2eb4bdca MK |
1948 | (save-excursion |
| 1949 | (end-of-line) | |
| 1950 | ;; This move allows the use of newline as the last character in | |
| 1951 | ;; the substitution pattern | |
| 1952 | (viper-forward-char-carefully) | |
| 1953 | (setq eol-mark (point-marker))) | |
| 52fa07ba MK |
1954 | (beginning-of-line) |
| 1955 | (if opt-g | |
| 1956 | (progn | |
| 1957 | (while (and (not (eolp)) | |
| 1958 | (re-search-forward pat eol-mark t)) | |
| d35bee0e MK |
1959 | (if (or (not opt-c) |
| 1960 | (progn | |
| 1961 | (viper-put-on-search-overlay (match-beginning 0) | |
| 1962 | (match-end 0)) | |
| 1963 | (y-or-n-p "Replace? "))) | |
| 52fa07ba | 1964 | (progn |
| d35bee0e | 1965 | (viper-hide-search-overlay) |
| 52fa07ba MK |
1966 | (setq matched-pos (point)) |
| 1967 | (if (not (stringp repl)) | |
| 1968 | (error "Can't perform Ex substitution: No previous replacement pattern")) | |
| 1969 | (replace-match repl t)))) | |
| 1970 | (end-of-line) | |
| 8626cfa2 | 1971 | (viper-forward-char-carefully)) |
| 52fa07ba MK |
1972 | (if (null pat) |
| 1973 | (error | |
| 1974 | "Can't repeat Ex substitution: No previous regular expression")) | |
| 1975 | (if (and (re-search-forward pat eol-mark t) | |
| d35bee0e MK |
1976 | (or (not opt-c) |
| 1977 | (progn | |
| 1978 | (viper-put-on-search-overlay (match-beginning 0) | |
| 1979 | (match-end 0)) | |
| 1980 | (y-or-n-p "Replace? ")))) | |
| 52fa07ba | 1981 | (progn |
| d35bee0e | 1982 | (viper-hide-search-overlay) |
| 52fa07ba MK |
1983 | (setq matched-pos (point)) |
| 1984 | (if (not (stringp repl)) | |
| 1985 | (error "Can't perform Ex substitution: No previous replacement pattern")) | |
| 1986 | (replace-match repl t))) | |
| 2eb4bdca MK |
1987 | ;;(end-of-line) |
| 1988 | ;;(viper-forward-char-carefully) | |
| 1989 | (goto-char eol-mark) | |
| 1990 | ))))) | |
| 52fa07ba MK |
1991 | (if matched-pos (goto-char matched-pos)) |
| 1992 | (beginning-of-line) | |
| 1993 | (if opt-c (message "done")))) | |
| 8f2685cb | 1994 | |
| 52fa07ba MK |
1995 | ;; Ex tag command |
| 1996 | (defun ex-tag () | |
| 1997 | (let (tag) | |
| 1998 | (save-window-excursion | |
| 8626cfa2 MK |
1999 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 2000 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
2001 | (skip-chars-forward " \t") |
| 2002 | (set-mark (point)) | |
| 2003 | (skip-chars-forward "^ |\t\n") | |
| 2004 | (setq tag (buffer-substring (mark t) (point)))) | |
| 2005 | (if (not (string= tag "")) (setq ex-tag tag)) | |
| 8626cfa2 | 2006 | (viper-change-state-to-emacs) |
| 52fa07ba MK |
2007 | (condition-case conds |
| 2008 | (progn | |
| 2009 | (if (string= tag "") | |
| 2010 | (find-tag ex-tag t) | |
| 2011 | (find-tag-other-window ex-tag)) | |
| 8626cfa2 | 2012 | (viper-change-state-to-vi)) |
| 52fa07ba | 2013 | (error |
| 8626cfa2 MK |
2014 | (viper-change-state-to-vi) |
| 2015 | (viper-message-conditions conds))))) | |
| bbe6126c | 2016 | |
| 52fa07ba | 2017 | ;; Ex write command |
| 3af0304a MK |
2018 | ;; ex-write doesn't support wildcards, because file completion is a better |
| 2019 | ;; mechanism. We also don't support # and % | |
| 2020 | ;; because file history is a better mechanism. | |
| 52fa07ba | 2021 | (defun ex-write (q-flag) |
| 8626cfa2 MK |
2022 | (viper-default-ex-addresses t) |
| 2023 | (viper-get-ex-file) | |
| 9b70a748 MK |
2024 | (let ((end (car ex-addresses)) |
| 2025 | (beg (car (cdr ex-addresses))) | |
| 2026 | (orig-buf (current-buffer)) | |
| 2027 | (orig-buf-file-name (buffer-file-name)) | |
| 2028 | (orig-buf-name (buffer-name)) | |
| 2029 | (buff-changed-p (buffer-modified-p)) | |
| 52fa07ba MK |
2030 | temp-buf writing-same-file region |
| 2031 | file-exists writing-whole-file) | |
| 8626cfa2 | 2032 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba MK |
2033 | (if ex-cmdfile |
| 2034 | (progn | |
| 8626cfa2 | 2035 | (viper-enlarge-region beg end) |
| 328b4b70 MK |
2036 | (shell-command-on-region (point) (mark t) |
| 2037 | (concat ex-file ex-cmdfile-args))) | |
| 52fa07ba MK |
2038 | (if (and (string= ex-file "") (not (buffer-file-name))) |
| 2039 | (setq ex-file | |
| 2040 | (read-file-name | |
| 3af0304a | 2041 | (format "Buffer %s isn't visiting any file. File to save in: " |
| 52fa07ba MK |
2042 | (buffer-name))))) |
| 2043 | ||
| 2044 | (setq writing-whole-file (and (= (point-min) beg) (= (point-max) end)) | |
| 2045 | ex-file (if (string= ex-file "") | |
| 2046 | (buffer-file-name) | |
| 2047 | (expand-file-name ex-file))) | |
| 2048 | ;; if ex-file is a directory use the file portion of the buffer file name | |
| 2049 | (if (and (file-directory-p ex-file) | |
| 2050 | buffer-file-name | |
| 2051 | (not (file-directory-p buffer-file-name))) | |
| 2052 | (setq ex-file | |
| 9b70a748 MK |
2053 | (concat (file-name-as-directory ex-file) |
| 2054 | (file-name-nondirectory buffer-file-name)))) | |
| 2055 | ||
| 52fa07ba MK |
2056 | (setq file-exists (file-exists-p ex-file) |
| 2057 | writing-same-file (string= ex-file (buffer-file-name))) | |
| 2058 | ||
| 2eb4bdca | 2059 | ;; do actual writing |
| 52fa07ba | 2060 | (if (and writing-whole-file writing-same-file) |
| 2eb4bdca | 2061 | ;; saving whole buffer in visited file |
| 52fa07ba MK |
2062 | (if (not (buffer-modified-p)) |
| 2063 | (message "(No changes need to be saved)") | |
| 2eb4bdca | 2064 | (viper-maybe-checkout (current-buffer)) |
| 52fa07ba | 2065 | (save-buffer) |
| 9b70a748 MK |
2066 | (save-restriction |
| 2067 | (widen) | |
| 2068 | (ex-write-info file-exists ex-file (point-min) (point-max)) | |
| 2069 | )) | |
| 2eb4bdca MK |
2070 | ;; writing to non-visited file and it already exists |
| 2071 | (if (and file-exists (not writing-same-file) | |
| 2072 | (not (yes-or-no-p | |
| 3af0304a | 2073 | (format "File %s exists. Overwrite? " ex-file)))) |
| 2eb4bdca MK |
2074 | (error "Quit")) |
| 2075 | ;; writing a region or whole buffer to non-visited file | |
| 2076 | (unwind-protect | |
| 2077 | (save-excursion | |
| 2078 | (viper-enlarge-region beg end) | |
| 2079 | (setq region (buffer-substring (point) (mark t))) | |
| 2080 | ;; create temp buffer for the region | |
| 2081 | (setq temp-buf (get-buffer-create " *ex-write*")) | |
| 2082 | (set-buffer temp-buf) | |
| 3af0304a MK |
2083 | (if viper-xemacs-p |
| 2084 | (set-visited-file-name ex-file) | |
| 2085 | (set-visited-file-name ex-file 'noquerry)) | |
| 2eb4bdca MK |
2086 | (erase-buffer) |
| 2087 | (if (and file-exists ex-append) | |
| 2088 | (insert-file-contents ex-file)) | |
| 2089 | (goto-char (point-max)) | |
| 2090 | (insert region) | |
| 2091 | ;; ask user | |
| 2092 | (viper-maybe-checkout (current-buffer)) | |
| fc290d1d | 2093 | (setq selective-display nil) |
| 2eb4bdca MK |
2094 | (save-buffer) |
| 2095 | (ex-write-info | |
| 2096 | file-exists ex-file (point-min) (point-max)) | |
| 2097 | ) | |
| 2098 | ;; this must be under unwind-protect so that | |
| 2099 | ;; temp-buf will be deleted in case of an error | |
| 2100 | (set-buffer temp-buf) | |
| 2101 | (set-buffer-modified-p nil) | |
| 2102 | (kill-buffer temp-buf) | |
| 2103 | ;; buffer/region has been written, now take care of details | |
| 2104 | (set-buffer orig-buf))) | |
| 2105 | ;; set the right file modification time | |
| 52fa07ba MK |
2106 | (if (and (buffer-file-name) writing-same-file) |
| 2107 | (set-visited-file-modtime)) | |
| 2eb4bdca | 2108 | ;; prevent loss of data if saving part of the buffer in visited file |
| 52fa07ba MK |
2109 | (or writing-whole-file |
| 2110 | (not writing-same-file) | |
| 2eb4bdca MK |
2111 | (progn |
| 2112 | (sit-for 2) | |
| 2113 | (message "Warning: you have saved only part of the buffer!") | |
| 2114 | (set-buffer-modified-p t))) | |
| 52fa07ba | 2115 | (if q-flag |
| 1e70790f | 2116 | (if (< viper-expert-level 2) |
| 52fa07ba MK |
2117 | (save-buffers-kill-emacs) |
| 2118 | (kill-buffer (current-buffer)))) | |
| 2119 | ))) | |
| 2120 | ||
| bbe6126c | 2121 | |
| 52fa07ba MK |
2122 | (defun ex-write-info (exists file-name beg end) |
| 2123 | (message "`%s'%s %d lines, %d characters" | |
| 8626cfa2 | 2124 | (viper-abbreviate-file-name file-name) |
| 52fa07ba MK |
2125 | (if exists "" " [New file]") |
| 2126 | (count-lines beg (min (1+ end) (point-max))) | |
| 2127 | (- end beg))) | |
| 2128 | ||
| 2129 | ;; Ex yank command | |
| 2130 | (defun ex-yank () | |
| 8626cfa2 MK |
2131 | (viper-default-ex-addresses) |
| 2132 | (viper-get-ex-buffer) | |
| 52fa07ba | 2133 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) |
| 8626cfa2 | 2134 | (if (> beg end) (error viper-FirstAddrExceedsSecond)) |
| 52fa07ba | 2135 | (save-excursion |
| 8626cfa2 | 2136 | (viper-enlarge-region beg end) |
| 52fa07ba MK |
2137 | (exchange-point-and-mark) |
| 2138 | (if (or ex-g-flag ex-g-variant) | |
| 2139 | (error "Can't execute `yank' within `global'")) | |
| 2140 | (if ex-count | |
| bbe6126c | 2141 | (progn |
| 52fa07ba MK |
2142 | (set-mark (point)) |
| 2143 | (forward-line (1- ex-count))) | |
| 2144 | (set-mark end)) | |
| 8626cfa2 MK |
2145 | (viper-enlarge-region (point) (mark t)) |
| 2146 | (if ex-flag (error "`yank': %s" viper-SpuriousText)) | |
| 52fa07ba | 2147 | (if ex-buffer |
| 8626cfa2 MK |
2148 | (cond ((viper-valid-register ex-buffer '(Letter)) |
| 2149 | (viper-append-to-register | |
| 52fa07ba | 2150 | (downcase ex-buffer) (point) (mark t))) |
| 8626cfa2 | 2151 | ((viper-valid-register ex-buffer) |
| 52fa07ba | 2152 | (copy-to-register ex-buffer (point) (mark t) nil)) |
| 8626cfa2 | 2153 | (t (error viper-InvalidRegister ex-buffer)))) |
| 52fa07ba MK |
2154 | (copy-region-as-kill (point) (mark t))))) |
| 2155 | ||
| 2156 | ;; Execute shell command | |
| 2157 | (defun ex-command () | |
| 2158 | (let (command) | |
| 2159 | (save-window-excursion | |
| 8626cfa2 MK |
2160 | (setq viper-ex-work-buf (get-buffer-create viper-ex-work-buf-name)) |
| 2161 | (set-buffer viper-ex-work-buf) | |
| 52fa07ba MK |
2162 | (skip-chars-forward " \t") |
| 2163 | (setq command (buffer-substring (point) (point-max))) | |
| 2164 | (end-of-line)) | |
| 3af0304a | 2165 | ;; replace # and % with the previous/current file |
| 52fa07ba MK |
2166 | (setq command (ex-expand-filsyms command (current-buffer))) |
| 2167 | (if (and (> (length command) 0) (string= "!" (substring command 0 1))) | |
| 8626cfa2 MK |
2168 | (if viper-ex-last-shell-com |
| 2169 | (setq command | |
| 2170 | (concat viper-ex-last-shell-com (substring command 1))) | |
| 52fa07ba | 2171 | (error "No previous shell command"))) |
| 8626cfa2 | 2172 | (setq viper-ex-last-shell-com command) |
| 52fa07ba MK |
2173 | (if (null ex-addresses) |
| 2174 | (shell-command command) | |
| 2175 | (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))) | |
| 2176 | (if (null beg) (setq beg end)) | |
| 6c2e12f4 | 2177 | (save-excursion |
| 52fa07ba MK |
2178 | (goto-char beg) |
| 2179 | (set-mark end) | |
| 8626cfa2 | 2180 | (viper-enlarge-region (point) (mark t)) |
| 52fa07ba MK |
2181 | (shell-command-on-region (point) (mark t) command t)) |
| 2182 | (goto-char beg))))) | |
| 2183 | ||
| 2184 | ;; Print line number | |
| 2185 | (defun ex-line-no () | |
| 2186 | (message "%d" | |
| 2187 | (1+ (count-lines | |
| 2188 | (point-min) | |
| 2189 | (if (null ex-addresses) (point-max) (car ex-addresses)))))) | |
| 2190 | ||
| 2191 | ;; Give information on the file visited by the current buffer | |
| 8626cfa2 | 2192 | (defun viper-info-on-file () |
| 6c2e12f4 | 2193 | (interactive) |
| 8626cfa2 MK |
2194 | (let ((pos1 (viper-line-pos 'start)) |
| 2195 | (pos2 (viper-line-pos 'end)) | |
| 52fa07ba | 2196 | lines file info) |
| 8626cfa2 | 2197 | (setq lines (count-lines (point-min) (viper-line-pos 'end)) |
| 52fa07ba | 2198 | file (if (buffer-file-name) |
| 8626cfa2 | 2199 | (concat (viper-abbreviate-file-name (buffer-file-name)) ":") |
| 52fa07ba MK |
2200 | (concat (buffer-name) " [Not visiting any file]:")) |
| 2201 | info (format "line=%d/%d pos=%d/%d col=%d %s" | |
| 2202 | (if (= pos1 pos2) | |
| 2203 | (1+ lines) | |
| 2204 | lines) | |
| 2205 | (count-lines (point-min) (point-max)) | |
| 2206 | (point) (1- (point-max)) | |
| 2207 | (1+ (current-column)) | |
| 2208 | (if (buffer-modified-p) "[Modified]" "[Unchanged]"))) | |
| 2209 | (if (< (+ 1 (length info) (length file)) | |
| 2210 | (window-width (minibuffer-window))) | |
| 2211 | (message (concat file " " info)) | |
| 2212 | (save-window-excursion | |
| 8626cfa2 | 2213 | (with-output-to-temp-buffer " *viper-info*" |
| 8e41a31c MK |
2214 | (princ (concat "\n" file "\n\n\t" info "\n\n"))) |
| 2215 | (let ((inhibit-quit t)) | |
| 2216 | (viper-set-unread-command-events (viper-read-event))) | |
| 8626cfa2 | 2217 | (kill-buffer " *viper-info*"))) |
| fad2477b | 2218 | )) |
| 6c2e12f4 | 2219 | |
| e36a387d MK |
2220 | ;; display all variables set through :set |
| 2221 | (defun ex-show-vars () | |
| 8626cfa2 MK |
2222 | (with-output-to-temp-buffer " *viper-info*" |
| 2223 | (princ (if viper-auto-indent | |
| e36a387d | 2224 | "autoindent (local)\n" "noautoindent (local)\n")) |
| 8626cfa2 | 2225 | (princ (if (default-value 'viper-auto-indent) |
| e36a387d | 2226 | "autoindent (global) \n" "noautoindent (global) \n")) |
| 8626cfa2 MK |
2227 | (princ (if viper-case-fold-search "ignorecase\n" "noignorecase\n")) |
| 2228 | (princ (if viper-re-search "magic\n" "nomagic\n")) | |
| e36a387d MK |
2229 | (princ (if buffer-read-only "readonly\n" "noreadonly\n")) |
| 2230 | (princ (if blink-matching-paren "showmatch\n" "noshowmatch\n")) | |
| 8626cfa2 MK |
2231 | (princ (if viper-search-wrap-around-t "wrapscan\n" "nowrapscan\n")) |
| 2232 | (princ (format "shiftwidth \t\t= %S\n" viper-shift-width)) | |
| e36a387d MK |
2233 | (princ (format "tabstop (local) \t= %S\n" tab-width)) |
| 2234 | (princ (format "tabstop (global) \t= %S\n" (default-value 'tab-width))) | |
| 2235 | (princ (format "wrapmargin (local) \t= %S\n" | |
| 2236 | (- (window-width) fill-column))) | |
| 2237 | (princ (format "wrapmargin (global) \t= %S\n" | |
| 2238 | (- (window-width) (default-value 'fill-column)))) | |
| 2239 | (princ (format "shell \t\t\t= %S\n" (if (boundp 'explicit-shell-file-name) | |
| 2240 | explicit-shell-file-name | |
| 2241 | 'none))) | |
| 2242 | )) | |
| 2243 | ||
| 2244 | ||
| 2245 | ||
| 2246 | ||
| 6c2e12f4 | 2247 | |
| 52fa07ba | 2248 | ;;; viper-ex.el ends here |